The Top Retractions of 2019

A journal is forced to remove a record-breaking number of papers—and all in one go.

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Another year, another 1,433 (and counting) retractions. The tenth year of Retraction Watch’s existence included—as is often the case—a new record, some impressive numbers, and some bizarre stories. But it also included some exemplary behavior. Here are some of the year’s top retraction stories, in no particular order:

1.When researchers reported in September of 2018 that they’d found a way to open solid tumors to the enormous potential of chimeric antigen receptor (CAR) T cell therapies, the oncology world was abuzz. But not for long. Critics of the study, which appeared in Nature, soon began poking holes in the work, pointing to problems with some of the figures in the paper. Nature initially alerted readers that it was looking into the validity of the work, but in February the journal decided it had no choice but to retract the paper, citing “issues with figure presentation and ...

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