Six months after the retraction of a controversial paper denying a link between chromium-6 exposure and cancer incidence, the paper's co-author is stepping forward to say that it was withdrawn unfairly. In June, the Journal of Occupational and Environmental Medicine (JOEM) retracted a 1997 paper by Chinese physicians JianDong Zhang and Shukun Li, which found no connection between chromium-6 ingestion and cancer incidence in a Chinese village. The journal's investigation originated with documents obtained by the Environmental Working Group (EWG), a Washington, D.C.-based advocacy group, which suggested that scientists from the consulting company ChemRisk had actually compiled and written most of the paper. The ChemRisk scientists were hired by Pacific Gas & Electric (PG&E) Corporation, which was at the time defending itself against allegations of chromium pollution. According to the journal, failing to disclose ChemRisk's contributions violated editorial policy. However, in a November 26 letter to JOEM editor Paul...
JOEMDavid LundyJOEMarticleThe Wall Street JournalJOEMJournalThe ScientistJOEMfait accompliThe ScientistJOEMThe Wall Street JournalJournalJOEMThe Wall Street JournalThe ScientistJOEMDanning JiangThe Scientistmphillips@the-scientist.comThe Scientist of Occupational and Environmental Medicine Scientist Scientist Wall Street Journal

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