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a range of secondary sources. "Communicating medical news-pitfalls of health care journalism". Nature 's Challenges in Reproducibility initiative Prinz F, Schlange T, Asadullah K (August 2011). (See: Martin Rimm.) Be careful of material published in disreputable journals or disreputable fields. Carl Straumsheim No More 'Beall's List', archived from the original on Shedlock J, Walton LJ (January 2006).

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E.g., the article Genetics could mention Darwin's 1859 book On the Origin of Species as part of a discussion supported by recent reviews. 21 22 Another useful grouping of core medical journals is the 2003 Brandon/Hill list, which includes 141 publications selected for a small medical library 23 (although this list is no longer maintained, the listed journals are of high quality). The range of reviews you examine should be wide enough to catch at least one full review cycle, containing newer reviews written and published in the light of older ones and of more-recent primary studies. Journal articles come in many different types, and are a mixture of primary and secondary sources. Using secondary sources then allows facts to be stated with greater reliability: "Neither vitamin E nor selenium decreases the risk of prostate cancer and vitamin E may increase." (citing pmid ) If no reviews on the subject. Prefer recent reviews to older primary sources on the same topic. Findings are often touted in the popular press as soon as original, primary research is reported, before the scientific community has analyzed and commented on the results. "Predatory open access journals in a performance-based funding model: Common journals in Beall's list and in version V of the vabb-SHW" (PDF). The results might in some cases be appropriate for inclusion in an article specifically dedicated to the treatment in question or to the researchers or businesses involved. Research papers that describe original experiments are primary sources. film gratis gay porno incontri milano gratis

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Film gratis gay porno incontri milano gratis - Wikipedia:Identifying reliable sources

Loscalzo J (March 2012). 34 Consequently, they are usually poor sources and should always be used with caution, never used to support surprising claims, and carefully identified in the text as preliminary work. Archived from the original on June 15, 2011. Rochon, PA; Gurwitz, JH; Cheung, CM; Hayes, JA; Chalmers,. National Academies (including the National Academy of Medicine and the National Academy of Sciences the British National Health Service, the.S. Yet, they are widely used among those seeking health information. A well-referenced article will point to specific journal articles or specific theories proposed by specific researchers. 1 (dead link) For medical information, the most useful types of articles are typically labeled "Guideline "Meta-analysis "Practice guideline or "Review". For example, popular science magazines such as New Scientist and Scientific American are not peer reviewed, but sometimes feature articles that explain medical subjects in plain English. A systematic review uses a reproducible methodology to select primary (or sometimes secondary) studies meeting explicit criteria to address a specific question. Evidence-Based Health Care and Public Health: How to Make Decisions About Health Services and Public Health (3rd.). "Users' Guides to Evidence-Based Practice". However, books published by university presses or the National Academy of Sciences, tend to be well-researched and useful for most purposes. "Press releases by academic medical centers: not so academic?". The Wikipedia community relies on guidance of expert reviews, and statements by major medical and scientific bodies. "Abridged Index Medicus (AIM or "Core Clinical Journal Titles". The level of support for a hypothesis should be evident to a reader. Bobick JE, Berard. While the most-recent reviews include later research results, this does not automatically give more weight to the most recent review trouver un piano cul escort roma forum (see recentism ). Further reading edit Greenhalgh T (2006). Claims of bias should be sourced to reliable secondary sources, and are not reason to omit sources without consensus instead, qualify sources with information of why a source may be biased, and who is calling it biased. film gratis gay porno incontri milano gratis

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