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Hoogendoorn WE, Bongers PM, de Vet HC, Twisk JW, van Mechelen W, Bouter LM.Hoogendoorn WE, et al. Among authors: twisk jw.Occup Environ Med. 2002 Jul;59(7):459-65. doi: 10.1136/oem.59.7.459.Occup Environ Med. 2002.PMID: 12107294Free PMC article.