Here is my understanding of the weak outcome results from the systemic implementation studies they review.
He was the co-author of a November 2009 Journal of Clinical Oncology review that began with 465 studies, then chose to review only 23 of them.
Two of the studies in this review were also confounded by the inclusion of diet drinks.
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Twenty-one of the studies included in the review were randomized controlled trials, which are considered the gold standard for scientific research.
Organic farming scores better on biodiversity and soil composition, according to a review of studies comparing conventional and organic farming by Britain's farming ministry.
Both note that a high-quality mammogram includes review of previous studies.
In an exhaustive review of all studies published through June 2012, "it has become clear there is no easy way to grade a concussion and no set timeline for a return to play" says Christopher C.
In this case, the study was a review that covered 12 studies with 16, 598 participants who had pre-existing illness.
However, she said a recent review of over 40 studies concluded it had only very limited effects in men over 65.
Significantly, UpToDate generally offers not just a summary of recommendations but also an explanation of the associated physiology and a review of relevant clinical studies.
An accompanying review of 30 observational studies suggested taking medium-to-high doses of aspirin for 10 years or more reduced the risk of developing the disease by 50%-70%.
After collecting data from several well-designed studies, the authors of the review concluded that there is some evidence to support the notion that fish oil can reduce symptoms of bipolar disorder.
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The review, which included 24 studies comprising about 2, 600 people, was published in Nutrition Journal and was conducted by researchers at the Global Neuroscience Initiative Foundation, a small nonprofit organization in Los Angeles dedicated to neurological and mental-health research and awareness.
Rather than initiating research, it is designed to evaluate existing studies, in a process known as systematic review.
On Tuesday evening, the Journal of the American Medical Association published a review of all of the observational studies so far published about Vioxx and its kin, including Pfizer 's related drug Celebrex.
On Tuesday evening, the Journal of the American Medical Association published a review of all of the observational studies so far published about Vioxx and its kin, including Pfizer 's (nyse: PFE - news - people ) related drug Celebrex.
Undaunted by her reception at the conference, Ms. Swan went back to the other participants in the trial and suggested that they pursue a more professional tack including getting approval for the next phase of the trial from an institutional review board, just as traditional studies do.
Gibson also notes that the World Cancer Research Fund review was based on just six studies (the other reviews ranged from 12 to over 80 studies) and that the original finding was much weaker than the one that appeared in the final document, raising questions as to why the editors rejected the conclusions of their researchers.
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The Times piece was somewhat based on the conclusions of a meta analysis by the well respected Cochrane Review that surveyed a number of salt studies and which also found no clear benefit from reducing salt.
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He would carefully review the literature, design all the studies (with his various co-authors), set up the experiments, print out all the questionnaires, and then, instead of actually doing the experiments and distributing the questionnaires, made it all up.
And one academic review of more than 600 employee-feedback studies found that two-thirds of appraisals had zero or even negative effects on employee performance after the feedback was given.
Clarot gave her the impression that he had not heard of the studies and indicated that Matrixx had not done any studies of its own but had hired a consultant to review the product.
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Still, a review in the Journal of Health Care Chaplaincy concludes that many studies haven't been rigorous enough to test effectiveness and define the best practices of chaplains' care.
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This 1-Day national consultation will validate a review paper and discuss policy recommendations developed by the Centre of Studies for Peace and Development (CEPAD), with the support of UNESCO Office in Jakarta.
In this review of the literature, I find twenty-six such studies going back to 1983, and all but three of those studies, and every study in the last fifteen years, find a negative effect of taxes on growth.
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In a review article published in July, the British Medical Journal noted that a series of studies found that distracted patients suffered less from nausea and required fewer painkillers.
Tim Brosnan, an executive vice-president for Major League Baseball, said the recent gloomy studies have prompted the league to order up its own research, which is ongoing, and to review the league's efforts to grow the game.
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Her review in the Proceedings of the National Academy of Sciences looks at the findings of over 100 studies on Gulf-war illnesses.
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Mr Rammell added that Dr Siddiqui's review, as well as other reports and conferences on Islam in higher education, suggested Islamic studies departments were concentrating too much on a Middle Eastern focus and ignore the realities of Islam in modern multi-cultural Britain.
BBC: NEWS | UK | Education | Teaching of Islam is 'out-dated'
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