The effect of N-nitrosodiethylamine and N-nitrosopyrolidine on gamma glutamyltranspeptidase (GGT) and alkaline phosphatase (ALP) in white mice liver - Ramli, Johari; Syed, Mohd Arif; Arshad, Juzu Hayati; Muse, Radzali; Shamaan, Nor Aripin; Omar, Ismail; Karuppan, Jeeven (The Research Unit, Universiti Putra Malaysia, 1999)