Letters Section Editor: Stephen J. Lurie,
MD, PhD, Senior Editor.
To the Editor: Dr von Elm and colleagues1 identified patterns of duplicate publication by
investigating articles included in systematic reviews of anesthesia and analgesia.
They noted that duplicate publication is wasteful of the time and resources
of editors, peer reviewers, and readers and may change the conclusions of
systematic reviews. In addition, it undermines the integrity of science, particularly
in the case of covert duplicate publication. In medicine, the impact of this
practice is particularly serious in that the health and life of patients may
be affected when the results of a study are effectively counted more than
Antes G, Dickersin K. Trial Registration to Prevent Duplicate Publication. JAMA. 2004;291(20):2432. doi:10.1001/jama.291.20.2432-c