00347nam a2200121Ia 4500008004100000022001400041040001100055100001800066245004800084260007100132300001300203300000900216251112s9999||||xx |||||||||||||| ||und|| a1055-9965 aCNCLSA aPelayo Correa 0aCancer Epidemiology Biomarkers & Prevention cJanuary, 1997bThe American Association for Cancer ResearchaU.S.A aP. 1-474 bV. 6