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Glass (0):
Recent article
Glass
Acta Biomaterialia (7)10 2011
Abstract
The quest for synthetic materials to repair load-bearing bone lost because of trauma, cancer, or congenital bone defects requires the development of porous, high-performance scaffolds with exceptional mechanical strength. However, the low mechanical strength of porous bioactive ceram...
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PMID: 21745606
PDF is available here.
PDF is available here.
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Ukrainskij biokhimicheskij zhurnal/Ukrayins'kij biokhimichnij zhurnal/Ukrainian biochemical journal (82)6 2011
Abstract
I preparations homogeneous in SDS-PAAG test were obtained by the affinity chromatography on the synthesized sorbent L-arginine-macroporous glass. Some physico-chemical characteristics of the isolated arginase preparation have been estimated: thermo- and pH-stability, temperature- and pH-optima of th...
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PMID: 21805858
PDF is available here.
PDF is available here.
Acta Biomaterialia (7)8 2011
Abstract
A low density and high strength alloy, Ca65Mg15Zn20 bulk metallic glass (CaMgZn BMG), was evaluated by both in vitro tests on ion release and cytotoxicity and in vivo implantation, aimed at exploring the feasibility of this new biodegradable metallic material for potential skeletal a...
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PMID: 21571105
PDF is available here.
PDF is available here.
Abstract
Biomaterials used in regenerative medicine are often designed to act as 3D porous templates (scaffolds) able to support and promote the growth and repair of natural tissues. Some types of glasses have a great potential for making bone tissue engineering scaffolds, as they can bond to...
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PMID: 21465645
PDF is available here.
PDF is available here.
Abstract
To assess whether pastes containing casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) and calcium sodium phosphosilicate (CSP) protect acid softened enamel against further erosive episodes.
Enamel slabs of bovine teeth with preformed erosion-like lesions wer...
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PMID: 21874937
PDF is available here.
PDF is available here.
Abstract
E. canis infection of the canine cell line DH82 is a routine in studies with this bacteria. A protocol for isolation of host cell free bacteria was developed based on the use of glass beads. Improvement of infection with E. canis isolated by this method was detected by real-time PCR.
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PMID: 21667670
PDF is available here.
PDF is available here.
Abstract
The ability to analyze a whole blood sample retrieved from a patient is a critical tool used for diagnosing many diseases and conditions. Real-time blood analyzers are already widely used in point-of-care diagnoses and treatment. Being able to analyze plasma that has been isolated from its whole bloo...
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PMID: 21118761
PDF is available here.
PDF is available here.
Abstract
The modification of the glass transition in confined domains, particularly the length scales associated with cooperative motion, remains a mystery. Hard-sphere suspensions are confined between two surfaces to progressively smaller dimensions to probe the confinement effect on the gro...
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PMID: 21517446
PDF is available here.
PDF is available here.
Abstract
We present a new formulation of the jamming phase diagram for a class of glass-forming fluids consisting of spheres interacting via finite-ranged repulsions at temperature T, packing fraction ϕ or pressure p, and applied shear stress Σ. We argue that the natural choice of axes for the phase diagra...
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PMID: 21517503
PDF is available here.
PDF is available here.
Abstract
This study investigated the fracture resistance and failure mode of endodontically treated premolars restored with a glass fibre-reinforced composite resin. Endodontically treated maxillary premolars were divided in 4 groups: group O: occlusal access opening restored with direct composite; group O+:...
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PMID: 21528685
PDF is available here.
PDF is available here.
Abstract
The aim of the study is to compare the sealing ability of two adhesive systems. Thirty teeth were endodontically treated and were randomly assigned to 2 groups: G 1 - 3-step adhesive (Solobond-Plus) and G 2 - 2-step adhesive (Solobond-M). Posts containing glass fiber were cemented using the adhesive...
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PMID: 21528686
PDF is available here.
PDF is available here.
Abstract
To evaluate the degree of conversion (DC) of dual-curing materials used to lute glass-fiber posts in a simulated root canal polymerized by two different modalities.
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PMID: 21469400
PDF is available here.
PDF is available here.
The Chinese journal of dental research : the official journal of the Scientific Section of the Chinese Stomatological Association (CSA) (14)1 2011
Abstract
Experimental fibre composite had a significantly higher mechanical performance for fracture toughness (14 MNm-1.5), compression strength (129 MPa) and static load-bearing capacity (1584 N) than the control composite (2 MNm-1.5, 112 MPa and 1031 N). Conclusion: The resin with short E-glass fibre fill...
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PMID: 21734942
PDF is available here.
PDF is available here.
Operative Dentistry (36)2 2011
Abstract
CLINICAL RELEVANCE The bioactive glass (Sylc) reacts with saliva depositing hydroxycarbonate apatite (HCA) within the demineralized collagen fibrils and occluding dentinal tubules. Therefore, it may be used as a suitable desensitizing bioactive material for the treatment of DH and as...
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PMID: 21777102
PDF is available here.
PDF is available here.
Abstract
A gold/sodium dodecylbenzene sulfonate nanoparticles modified glassy carbon electrode (nano-Au/SDBS/GCE) was electrochemically fabricated with a constant potential at -0.4V. The obtained nano-Au/SDBS/GCE was characterized with scanning electronic microscopy, X-ray photoelectron spectroscopy and elec...
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PMID: 20832258
PDF is available here.
PDF is available here.
Abstract
The aim of this study was to investigate the flexural properties of five types of fiber-reinforced dowels using a modified three-point bending test. Fiber-reinforced resin dowels were tested by a modified three-point bending test associated with models for cylindrical and conical simple-supported be...
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PMID: 21265434
PDF is available here.
PDF is available here.
Abstract
To compare the fracture strengths of pulpless teeth restored using resin cores with and without fiber posts, and with and without bonding adhesive in the post cavity.
Human extracted roots were prepared with post cavities and divided into four experimental groups: Gro...
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PMID: 21344826
PDF is available here.
PDF is available here.
Abstract
Mono-dispersed SiO(2)-CaO bioactive glass nanospheres (BGNS) were prepared by a two step sol-gel method in the absence of surfactant. The size of BGNS ranged from 200 to 350 nm in diameter and exhibited a rough surface texture. In vitro biomineralization tests showed that BGNS could...
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PMID: 20725980
PDF is available here.
PDF is available here.
Abstract
The triplet state of positronium, o-Ps, is used as a probe to characterize a starch-20% w/w sucrose matrix as a function of temperature (T). A two-step decomposition (of sucrose, and then starch) starts at 440 K as shown by a decrease in the o-Ps intensity (I(3)) and lifetime (τ(3)), the latter als...
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PMID: 20882224
PDF is available here.
PDF is available here.
Chemical Communications (46)42 2010
Abstract
We report the preparation of 20 and 65 nm radii glass nanopores whose surface is modified with DNA aptamers controlling the molecular transport through the nanopores in response to small molecule binding.
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PMID: 20865192
PDF is available here.
PDF is available here.
Abstract
These results suggested this material would have a good potential in bone tissue engineering.
© 2010 Wiley Periodicals, Inc....
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PMID: 20862767
PDF is available here.
PDF is available here.
Analyst (Cambridge UK) (135)11 2010
Abstract
We have prepared and explored a novel nano-interface based probe for the rapid identification and highly sensitive detection of cancer cells by means of an electrochemical study. The new probe tetrathiafulvalene (TTF) carboxylate salt (TTF-(COONBu(4))(2), ditetrabutylammonium salt for propylenedithi...
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PMID: 20838668
PDF is available here.
PDF is available here.
Journal of Dentistry (38)10 2010
Abstract
We hypothesized that chlorhexidine would not negatively affect the immediate bond strength.
Root canals of eighty human extracted third molars were prepared for post cementation with each post systems' own burs. Four commercially available FRC posts (Glassix, D.T.Light-Post, Unicore, everStickPOST)...
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PMID: 20600556
PDF is available here.
PDF is available here.
Abstract
Bioactive glass scaffolds with a microstructure similar to that of dry human trabecular bone but with three different compositions were evaluated for potential applications in bone repair. The preparation of the scaffolds and the effect of the glass composition on the degradation and...
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PMID: 20544804
PDF is available here.
PDF is available here.
Abstract
We show that despite the highly ordered structure and tacticity-dependent nature of hydrogen-bonded supramolecular polymers, the bioactivity of these polymers can be tuned through composite preparation with bioceramics. These novel supramolecular composites combine the superior processability of sup...
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PMID: 20574978
PDF is available here.
PDF is available here.
Dental Materials (26)10 2010
Abstract
The purpose of this clinical study was to evaluate the long-term outcome of three-unit posterior fixed partial dentures (FPDs) made of fiber-reinforced resin composite (FRC), and to identify design factors influencing the survival rate.
77 patients (52 females, 25 males) received 96 indirectly made...
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PMID: 20638712
PDF is available here.
PDF is available here.
Abstract
We introduced a novel theoretical framework for counting the number of emitting molecules by analyzing photon-distributions acquired with a confocal microscope using four single-photon detectors. Here, we present the experimental realization of the proposed scheme in a confocal setup using novel mul...
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PMID: 20603676
PDF is available here.
PDF is available here.
Abstract
We here demonstrate for a series of model aqueous mixtures that the relaxation time also follows a remarkably general exponential dependence on the weight fraction of water. By comparison to literature data we show that this behaviour is shared by a wide range of molecular systems. Neither the detai...
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PMID: 20601989
PDF is available here.
PDF is available here.
Abstract
We compared the efficiencies of biosensors that use gold-coated single-crystal silicon and amorphous glass substrates. The reflectivity of light over a wide range of wavelengths was higher from gold layer coated single-crystal silicon substrates than from glass substrates. Furthermore, the efficienc...
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PMID: 20628872
PDF is available here.
PDF is available here.
Abstract
The Eucalyptus grandis logs temperatures were determined and correlated with the board's cracks during steaming. Thermocouples were inserted in the logs center, registering their temperatures during steaming at 90°C. The logs were sawed and the board's cracks measured. It was concluded that: (1) the...
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PMID: 21562706
PDF is available here.
PDF is available here.
Journal of Trauma (69)3 2010
Abstract
Self-inflicted injuries are among the preventable forms of hand injury. Psychologic factors underlying these injuries have not been studied sufficiently. This study aims to reveal the extent of injury and the morbidity as well as the psychologic factors in a population of patients who intentionally...
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PMID: 20838140
PDF is available here.
PDF is available here.
Abstract
The objective of this study was to evaluate the flexural strength of denture base resin reinforced with glass fibers and with a laboratorial composite resin. Group G1 was formed with specimens made of acrylic resin. Group G2 was formed with the same acrylic resin but reinforced with a glass-fiber sy...
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PMID: 21077418
PDF is available here.
PDF is available here.
Dental Materials (26)9 2010
Abstract
To evaluate the influence of post surface pretreatment on the delamination strength of different cements from a prefabricated FRC post tested in a three-point bending test.
Three cements were tested; RelyX Unicem, DC Core Automix, and Panavia F2.0. Per cement, 40 posts (D.T. Light Post Illusion size...
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PMID: 20542550
PDF is available here.
PDF is available here.
Journal of Royal Society Interface (7)Suppl_5 2010
Abstract
Electrophoretic deposition (EPD) is attracting increasing attention as an effective technique for the processing of biomaterials, specifically bioactive coatings and biomedical nanostructures. The well-known advantages of EPD for the production of a wide range of microstructures and...
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PMID: 20504802
PDF is available here.
PDF is available here.
Abstract
Dental Materials Journal (29)4 2010
Abstract
The purpose of this study was to analyze the ions released from a surface pre-reacted glass ionomer (S-PRG) filler in distilled water or lactic acid solution. S-PRG filler was mixed with either solution at 1000:1, 100:1, 10:1, and 1:1 ratios by weight. By means of inductively coupled plasma atomic e...
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PMID: 20610878
PDF is available here.
PDF is available here.
Dental Materials Journal (29)4 2010
Abstract
The aim of this study was to evaluate the fluoride release, neutralizing ability and inhibitory effect on secondary caries of resin-based materials containing a silane-coated glass filler. Resin-based materials containing fluoro-boro-alumino-silicate glass coated by 3-methacryloxypropyltrimethoxysil...
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PMID: 20610877
PDF is available here.
PDF is available here.
Abstract
We showed that an Escherichia coli O157:H7 strain that was unable to form biofilm was retained in large numbers in dual-strain biofilms formed with an E. coli O-:H4 companion strain. In this study we tested additional companion strains for their ability to retain E. coli O157:H7 strain 0475s. Compan...
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PMID: 20367070
PDF is available here.
PDF is available here.
Abstract
The electrochemical behavior of triflusal (TRF) and aspirin (ASA), before and after hydrolysis in water and in alkaline medium using two different electrode surfaces, glassy carbon and boron doped diamond, was study by differential pulse voltammetry over a wide pH range. The hydrolysis products are...
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PMID: 20402644
PDF is available here.
PDF is available here.
Abstract
Microsphere-based radioembolization represents a new generation of therapeutics in interventional oncology. The intrahepatic application of radioactive microspheres via the hepatic artery allows locoregional therapy of diffuse or multifocal liver tumors, for which to date systemic therapy was the on...
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PMID: 20405369
PDF is available here.
PDF is available here.
Abstract
Human mesenchymal stem cells (hMSC) are a promising cell source for several applications of regenerative medicine. The cells employed are either autologous or allogenic; by using stem cell lines in particular, allogenic cells enable the production of therapeutic cell implants or tissue engineered im...
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PMID: 20872346
PDF is available here.
PDF is available here.
Abstract
A considerable number of agents are effective in the treatment of dentin hypersensitivity. This 6-week randomized clinical trial compares a dentifrice containing calcium sodium phosphosilicate to potassium nitrate and to a placebo.
A total of 110 subjects (58 males and 52 females; aged 20 to 60 year...
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PMID: 20370417
PDF is available here.
PDF is available here.
Pharmaceutical Research (27)8 2010
Abstract
To study crystal growth rates of amorphous griseofulvin (GSF) below its glass transition temperature (T (g)) and the effect of surface crystallization on the overall crystallization kinetics of amorphous GSF.
Amorphous GSF was generated by melt quenching. Surface and...
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PMID: 20414704
PDF is available here.
PDF is available here.
Acta Biomaterialia (6)8 2010
Abstract
Phosphate-based glasses (PGs) and their composites are of interest as bone repair and tissue engineering scaffolds due to the totally degradable nature of the materials. This study has investigated the effect of Si and Fe on the properties of PG particulate-filled polycaprolactone (P...
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PMID: 20206722
PDF is available here.
PDF is available here.
Acta Biomaterialia (6)8 2010
Abstract
Phosphate-based glasses (PGs) and their composites are of interest as bone repair and tissue engineering scaffolds due to the totally degradable nature of the materials. This study has investigated the effect of Si and Fe on the properties of PG particulate-filled polycaprolactone (P...
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PMID: 20206722
PDF is available here.
PDF is available here.
Analyst (Cambridge UK) (135)8 2010
Abstract
Thin silicate films with immobilised enzymes catalysing dioxygen reduction, i.e. laccase and bilirubin oxidase (BOD), were deposited on glass and poly(methyl 2-methylpropenoate) (Plexiglas) surfaces in a sol-gel process by sol drop evaporation. Scanning electrochemical microscopy (SECM) images and a...
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PMID: 20532339
PDF is available here.
PDF is available here.
Abstract
We conclude that the method presented herein is useful for the quantification of naratriptan in pharmaceutical drugs and that this method requires no separations or extractions. Finally, this voltammetric method was successfully applied to determine the quantity and the content uniformity of naratri...
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PMID: 20602972
PDF is available here.
PDF is available here.
Abstract
A novel hybrid plasma bonding (HPB) that combines sequential plasma activation (reactive ion etching followed by microwave radicals) with anodic bonding has been developed to achieve void-free and strong silicon/glass bonding at low temperature. The interfacial voids were observed at the silicon/gla...
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PMID: 20602928
PDF is available here.
PDF is available here.
Abstract
This report described the direct voltammetric detection of peroxynitrite (ONOO(-)) at a novel cyanocobalamin modified glassy carbon electrode prepared by electropolymeriation method. The electrochemical behaviors of peroxynitrite at the modified electrode were studied by cyclic voltammetry. The resu...
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PMID: 20602932
PDF is available here.
PDF is available here.
Abstract
The purpose of this study was to test the effect of different periods of accelerated artificial daylight aging on bond strength of glass fiber bundles embedded into maxillofacial silicone elastomer and on bending strength of the glass fiber bundles.
Forty specimens were fabricated by embedding resin...
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PMID: 20345740
PDF is available here.
PDF is available here.
Abstract
Secondary caries and restoration fracture remain common problems in dentistry. This study tested the hypothesis that combining nano-CaF(2) and glass fillers would yield nanocomposites with high mechanical properties and F release. Novel CaF(2) nanoparticles (56-nm) were synthesized via spray-drying...
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PMID: 20439933
PDF is available here.
PDF is available here.
Advanced Materials (FRG) (22)25 2010
Abstract
Acta Biomaterialia (6)7 2010
Abstract
Novel multi-functional P(3HB) microsphere/45S5 Bioglass-based composite scaffolds exhibiting potential for drug delivery were developed for bone tissue engineering. 45S5 Bioglass-based glass-ceramic scaffolds of high interconnected porosity produced using the foam-replication techniq...
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PMID: 20056174
PDF is available here.
PDF is available here.
Acta Biomaterialia (6)7 2010
Abstract
The purpose of this article is to highlight some recent in vitro and in vivo studies of bioactive glasses containing strontium and to review selected literature on the in vitro and in vivo behaviour of bioactive glasses to relate this to the structure of the glass. The strontium-glas...
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PMID: 20079468
PDF is available here.
PDF is available here.
Abstract
We have made direct measurements of the force between two bubbles in water under controlled collision conditions that are similar to Brownian particles in solution. The experimental results together with detailed modeling reveal the nature of hydrodynamic boundary conditions at the air/water interfa...
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PMID: 20534552
PDF is available here.
PDF is available here.
Lab On a Chip (10)12 2010
Abstract
We demonstrate the ability to form stable, instructive surface-bound gradients of laminin that guide postnatal hippocampal neuron development in vitro. Our work uses a three-channel, interconnected microfluidic device that permits the production of adlayers of planar substrates through the combinati...
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PMID: 20390196
PDF is available here.
PDF is available here.
Lab On a Chip (10)12 2010
Abstract
We developed a modular neurochip system by combining a small (16x16 mm2) glass neurochip (GNC) with a homemade head stage and commercial data acquisition hardware and software. The system is designed for the detection of the electric activity of cultivated nerve or muscle cells by a 52-microelectrod...
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PMID: 20358045
PDF is available here.
PDF is available here.
Journal of Hazardous Materials (178)1-3 2010
Abstract
These results will help (a) to set constraints on the temperature conditions under which nesquehonite may be safely stored and (b) to develop CO(2) sequestration via the synthesis of nesquehonite for industrial application.
Copyright 2010 Elsevier B.V. All rights reserved....
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PMID: 20167421
PDF is available here.
PDF is available here.
Lab On a Chip (10)11 2010
Abstract
We have developed an efficient method for fusing liquid reagents into glass ampoules, which are then sealed into a centrifugally operated cartridge. For on-demand reagent release, the ampoules are disrupted through the flexible lid of the cartridge. Upon centrifugation, 98.7 microL out of 100 microL...
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PMID: 20480115
PDF is available here.
PDF is available here.
Abstract