title: Spontaneous tumours in rats and mice.
mesh_terms: D000818:Animals; D002273:Carcinogens; D002280:Basal Cell Carcinoma / Q000662:veterinary*; D005823:Genetics; D005856:Germ-Free Life; D051379:Mice; D009369:Neoplasms / Q000662:veterinary; D009374:Neoplasms, Experimental; D009858:Oncogenic Viruses; D010190:Pancreatic Neoplasms / Q000662:veterinary*; D011120:Polyomavirus / Q000472:pathogenicity; D051381:Rats
chemical_list: D002273:Carcinogens