Detection of 2,3-dihydroxy-2-(7′-guanyl)-3-hydroxyaflatoxin B2 (AFB-GuaI) in human urine : Herman Autrup,Johnston Wakhisi1, Abulkalam Shamsuddin,and Kirsi Vahakangas. Laboratory of Human Carcinogenesis,National Cancer Institute,Bethesda, MD,USA 1University of Nairobi,Kenya |