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Weisskopf MG, Wright RO, Schwartz J, Spiro A 3rd, Sparrow D, Aro A, Hu H.Weisskopf MG, et al. Among authors: wright ro.Am J Epidemiol. 2004 Dec 15;160(12):1184-93. doi: 10.1093/aje/kwh333.Am J Epidemiol. 2004.PMID: 15583371
Weuve J, Kelsey KT, Schwartz J, Bellinger D, Wright RO, Rajan P, Spiro A 3rd, Sparrow D, Aro A, Hu H.Weuve J, et al. Among authors: wright ro.Occup Environ Med. 2006 Nov;63(11):746-53. doi: 10.1136/oem.2006.027417. Epub 2006 Jun 6.Occup Environ Med. 2006.PMID: 16757504Free PMC article.