00293nam a2200109Ia 4500008004100000040001100041100002000052245004800072260003500120300001700155300001100172251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aFrederick P. Li 0aCancer Epidemiology Biomarkers & Prevention  c1990bAcademic PressaNew York  aP. 1729-2244  bv. 134