title: Focal loss of ribonuclease activity in preneoplastic rat liver.
mesh_terms: D000818:Animals; D006528:Carcinoma, Hepatocellular / Q000201:enzymology; D004032:Diet; D006651:Histocytochemistry; D008099:Liver / Q000201:enzymology*; D008107:Liver Diseases / Q000201:enzymology; D008113:Liver Neoplasms / Q000201:enzymology; D008297:Male; D008745:Methylation; D011230:Precancerous Conditions / Q000201:enzymology*; D051381:Rats; D012260:Ribonucleases / Q000378:metabolism*; D004124:p-Dimethylaminoazobenzene
chemical_list: D004124:p-Dimethylaminoazobenzene; D012260:Ribonucleases