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Correspondence

Nature 421, 209 (16 January 2003) | doi:10.1038/421209a

Open Innovation Challenges

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Journals: redundant publications are bad news

Stefania M. Mojon-Azzi1, Xiaoyi Jiang2,3, Ulrich Wagner1 & Daniel S. Mojon3,4

  1. Research Institute for Management in Health Services at the University of Applied Sciences, St Gallen, Switzerland
  2. Department of Electrical Engineering and Computer Science, Technical University of Berlin, Germany
  3. Department of Ophthalmology, Kantonsspital, 9007 St Gallen, Switzerland
  4. Scientific Secretary, Swiss Society of Ophthalmology, Kantonsspital, St Gallen, Switzerland

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Publishing the same work twice is unethical and casts doubt on the integrity of research.

We have developed an electronic systematic search tool to estimate the amount of duplicate publications in the 70 ophthalmological journals listed by Medline. Our results show that there is a considerable number of duplicate publications.