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Spector LG, Ross JA, Puumala SE, Roesler M, Olshan AF, Bunin GR.Spector LG, et al.Am J Epidemiol. 2007 Oct 1;166(7):852-6. doi: 10.1093/aje/kwm143. Epub 2007 Jul 10.Am J Epidemiol. 2007.PMID: 17623744
Puumala SE, Ross JA, Olshan AF, Robison LL, Smith FO, Spector LG.Puumala SE, et al. Among authors: spector lg.Cancer. 2007 Nov 1;110(9):2067-74. doi: 10.1002/cncr.23025.Cancer. 2007.PMID: 17849462Free article.