Ethics in publication, part 2: duplicate publishing, salami slicing, and large retrospective multicenter case series

The goals of scientific publishing—to advance our knowledge of disease mechanisms and treatments—sometimes come into conflict with the professional and personal benefits of publishing. Authors may feel pressure to publish as many scientific articles as possible to advance their careers and reputations. It is the role of journal editors to ensure that scientific articles minimize this conflict by ensuring that each provides a "substantial new contribution to their field."1

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