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Alison Avenell first came across The Yamaguchi Osteoporosis Study (YOPS) when she was working on a 2014 Cochrane Review on bone fractures.
She cited the study but felt something was off about it. “I suppose, together with my collaborators over the years, we developed sort of antennae for rather suspicious looking studies,” Avenell, of the University of Aberdeen in Scotland, told Retraction Watch. “And when you see a relatively large trial with just two authors, you think to yourself, that’s not possible.”
Avenell and her colleagues, whose work we’ve written about before, were critical to the retraction of fraudulent research by the late Yoshihiro Sato and his collaborator Jun Iwamoto, who rank third and fourth, respectively, on our retraction leaderboard.
Continue reading An influential osteoporosis study is “likely fraudulent” — but not retracted