With the increasing use of meta-analysis, duplicate publication of original research is particularly problematic. Duplicate publication can result in an inappropriate weighting of the study results. The purpose of our study was to assess the incidence and characteristics of duplicate publications in Korea, and to estimate the impact of duplicate publication on meta-analyses. The meta-analysis l...

The final goal of professional medical publication is to make the results of studies accessible for the medical community. This can be more easily achieved, regardless of origin and language, these days thanks to the internet. The Urology Journal now enjoys its electronic archive and can be searched by Google. Other than electronic archiving, most Iranian biomedical publications have joined the...

OBJECTIVES/HYPOTHESIS Duplicate publication--deemed highly unethical--is the reproduction of substantial content in another article by the same authors. In 1999, Rosenthal et al. identified an 8.5% incidence of duplicate articles in two otolaryngology journals. We explored the current incidence in three otolaryngology journals in North America and Europe. STUDY DESIGN Retrospective literature...

One of the commonest queries I receive as Editor-in-Chief is whether a submission can be accepted when the author's message is already known. The paper may have been presented at meetings a couple of times and might even have appeared in abstract form. Can we, as a journal, go ahead and publish without eyebrows being raised and the accusation of duplicate publication being made? The story start...