While as an epidemiologist I wholeheartedly endorse the push for making corporate research data more open, this sentence: "they relied too heavily on the assum

While as an epidemiologist I wholeheartedly endorse the push for making corporate research data more open, this sentence: "they relied too heavily on the assumption that the articles published in journals accurately represented the results of all clinical trials that had been conducted." Is a little misleading. Meta-analysis, which is what Cochrane reviews are, are very conscious of the "file drawer effect", and looking for evidence of non-publication is a rather fundamental aspect of doing meta-analysis.