Sixth retraction appears for bone researcher due to “extensive self-plagiarism”

A bone researcher in Japan has logged his sixth retraction, after acknowledging he duplicated substantial portions of a 2011 paper and added “honorary” co-authors. The retraction, in Parkinsonism & Related Disorders, follows five others for Yoshihiro Sato, including one from JAMA, some of which were pulled over concerns regarding authorship and data integrity. The latest retraction duplicated … Continue reading Sixth retraction appears for bone researcher due to “extensive self-plagiarism”

“All co-authors are honorary:” Team earns fifth retraction

A team of researchers from Japan has earned a fifth retraction, after co-authors told the journal that they did not participate in much of the paper. Yoshihiro Sato, listed at Mitate Hospital, is the only author of the paper who was not “honorary,” the managing editor of the journal confirmed. He and the same co-authors recently lost three other … Continue reading “All co-authors are honorary:” Team earns fifth retraction

JAMA journals pull 3 papers by same authors for misconduct

JAMA and another journal in its network have retracted three 2005 papers about preventing hip fractures, after an admission of scientific misconduct.  All papers are being retracted over concerns about data integrity, and “inappropriate assignment of authorship.” Four of the authors — all based in Japan — have co-authored all of the three newly retracted … Continue reading JAMA journals pull 3 papers by same authors for misconduct

Osteoporosis paper felled by concerns with “scientific integrity”

A paper suggesting that exposure to sunlight might help prevent hip fractures in the elderly has been retracted, due to duplication and “concerns about the underlying data.” An expression of concern that appeared last July flagged the 2005 paper as containing text that matched another paper with the same first author that was published in 2011. According … Continue reading Osteoporosis paper felled by concerns with “scientific integrity”

The Retraction Watch Leaderboard

Who has the most retractions? Here’s our unofficial list (see notes on methodology), which we’ll update as more information comes to light: Yoshitaka Fujii (total retractions: 183) See also: Final report of investigating committee, our reporting, additional coverage Joachim Boldt (96) See also: Editors-in-chief statement, our coverage Diederik Stapel (58) See also: our coverage Adrian Maxim … Continue reading The Retraction Watch Leaderboard