00342nam a2200121Ia 4500008004100000022001400041040001100055100001800066245004800084260006600132300001400198300000800212251112s9999||||xx |||||||||||||| ||und||  a1055-9965  aCNCLSA  aPelayo Correa 0aCancer Epidemiology Biomarkers & Prevention  c1997bAmerican Association For Cancer Research, Inc.aU. S. A  aP.475-800  bV.6