Quality assessment tools used in systematic reviews of in vitro studies: A systematic review.

BMC Med Res Methodol · 2021 · PMC8106836 · PMID 33964880

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an increasing trendno p-value reported

Results Our findings reported an increasing trend in publication of in vitro SRs/MAs from 2007 to 2020.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.