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Ehrenshaft M, Mason RP.Ehrenshaft M, et al. Among authors: mason rp.Free Radic Biol Med. 2006 Aug 1;41(3):422-30. doi: 10.1016/j.freeradbiomed.2006.02.023. Epub 2006 Mar 31.Free Radic Biol Med. 2006.PMID: 16843823