HEPATIC PRENEOPLASIA INDUCED BY N-NITROSODIMETHYLAMINE AND N-NITROSODIETHYLAMINE IN JAPANESE QUAIL EMBRYOS Journal title: TRADITION AND MODERNITY IN VETERINARY MEDICINE Authors: Branimir Nikolov, Ani Georgieva, Roman Pepovich, Kalin Hristov, Tandzhu Mehmedov, Vasil Manov, Elena... Subject(s):