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Niven RM, Fletcher AM, Pickering CA, Faragher EB, Potter IN, Booth WB, Jones TJ, Potter PD.Niven RM, et al. Among authors: potter pd.Occup Environ Med. 2000 Sep;57(9):627-34. doi: 10.1136/oem.57.9.627.Occup Environ Med. 2000.PMID: 10935944Free PMC article.