Abstract
In the fi eld of polymer-based photovoltaic cells, poly(3-hexylthiophene) (P3HT) and 1-(3-methoxycarbonyl)propyl-1-phenyl[6,6]C₆₁ (PCBM) are, to date, the most-studied active materials around the world for the bulk-heterojunction structure. Various power-conversion effi ciencies are reported up t...
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PMID: 21936074
PDF is available here.
Author(s) unavailable
Abstract
Change the Equation, a non-profit group of more than 100 corporate organizations, is committed to improving the state of mathematics and science education in the US.
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PMID: 21808239
PDF is available here.
Abstract
In recent years, qualitative research has become much more widely used in healthcare settings and undoubtedly has much to offer nutrition and dietetics. Its value is, however, still sometimes called into question and, for those unfamiliar with qualitative approaches, it can be difficult to grasp what...
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PMID: 21091921
PDF is available here.
Abstract
We selected the 3 most recent meta-analyses of patented pharmacological treatments published January 2009 through October 2009 in each general medicine journal with an impact factor of at least 10; in high-impact journals in each of the 5 specialty medicine areas with the greatest 2008 global therap...
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PMID: 21386079
PDF is available here.
Abstract
Blinding is recommended widely as a strategy in randomized controlled trials (RCTs) to reduce biases that can result from awareness of who is receiving the intervention being tested. The absence of blinding, especially when the primary outcomes are subjective, has been found to be associated with in...
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PMID: 21127453
PDF is available here.
Abstract
We evaluated the quality of reporting in such reviews.
PubMed and the Cochrane library were searched for all reviews assessing the quality of RCTs between 1987 and 2007, and experts in the field were also contacted.
We found 177 reviews published from 1987 to 2007, 58% of which were published after...
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PMID: 20705426
PDF is available here.
Abstract
I present suggestions on how data generators, data re-users, and journals can maximize the fairness and scientific value of data archiving. Data should be archived with enough clarity and supporting information that they can be accurately interpreted by others. Re-users should respect their intellec...
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PMID: 21159406
PDF is available here.
Abstract
Systematic reviews and meta-analyses are being submitted to, and being published by biomedical journals with increasing frequency. In order to maintain the utility of such publications and avoid misguidance it is important that these studies are conducted to a high standard. This article aims to pro...
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PMID: 20732826
PDF is available here.
Abstract
To determine both the intended and unintended effects of the National Institutes of Health (NIH) 2005 ethics rules by examining changes in publishing rates and the frequency of external relationships among NIH scientists.
After identifying eligible intramural scientists and administrators from insti...
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PMID: 20852402
PDF is available here.
Abstract
In 1999, a faculty committee at Vanderbilt University School of Medicine reviewed the mission and goals of the school and determined that graduates should receive initial preparation to develop scholarly careers in medicine. The authors describe the design of a scholarly projects course, the Emphasi...
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PMID: 20671539
PDF is available here.
Abstract
Study of the origins, philosophy and history of the criteria used to assess research activities in Spain by the CNEAI. The assessment criteria and quality evidence of publications is discussed. Results are presented on the temporal development of the criteria used, grouped by publication type (artic...
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PMID: 21044530
PDF is available here.
Abstract
When considering the importance of scientific writing in disseminating new discoveries and ideas, it is quite remarkable that few physicians have received any formal instruction in this essential process.
This article focuses on the fundamental principles of scientific writing that also include a "s...
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PMID: 21042135
PDF is available here.
Abstract
Writing for publication can be a challenging but rewarding experience. The satisfaction of seeing your name in print undoubtedly outweighs any of the minor frustrations that can be encountered along the way! This article is aimed at those new to writing for publication and also provides guidance for...
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PMID: 20869664
PDF is available here.
Abstract
Using the SCI-expanded database, this study provides a quantitative description of the development of the research involving matrix metalloproteinase (MMP) over a period of 20 years. From 1986 to 2007 the scientific literature related to MMP increased sevenfold (397 papers in 1986-1987 and 2834 in...
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PMID: 20921995
PDF is available here.
Abstract
Publications are important for all surgeons, including those practising oral and maxillofacial surgery (OMFS). The results of relevant research are usually presented at the annual scientific meetings of the British Association of Oral and Maxillofacial Surgeons (BAOMS). The aim of this study was to...
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PMID: 19913960
PDF is available here.
Meghan Delaney,
Erin Meyer,
Christine Cserti-Gazdewich,
Richard L Haspel,
Yulia Lin,
Anna Morris,
Katerina Pavenski,
Walter H Dzik,
Mike Murphy,
Sherrill Slichter,
Grace Wang,
Larry J Dumont and
Nancy Heddle
Abstract
We undertook a critical analysis of PLT transfusion studies to determine the quality of reporting.
A systematic MEDLINE search for clinical studies of PLT transfusion was performed to identify articles. Relevant observational studies (OBS) were critiqued using the STROBE checklist and randomized con...
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PMID: 20497518
PDF is available here.
Abstract
We hypothesized that recognized flaws of single-arm trials could be magnified in combination treatment studies, leading to many reported positive phase II trials but with a low fraction resulting in practice-changing phase III trials....
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PMID: 20837695
PDF is available here.