title: Leukemia and mammary tumor in rats administered N-nitrosobutylurea.
mesh_terms: D000284:Administration, Oral; D000818:Animals; D002273:Carcinogens; D005260:Female; D007938:Leukemia / Q000139:chemically induced*; D008297:Male; D008325:Mammary Neoplasms, Experimental / Q000139:chemically induced*; D009374:Neoplasms, Experimental / Q000139:chemically induced; D009378:Neoplasms, Multiple Primary / Q000139:chemically induced; D009603:Nitroso Compounds; D009607:Nitrosourea Compounds; D051381:Rats; D011919:Rats, Inbred Strains; D014508:Urea
chemical_list: D002273:Carcinogens; D009603:Nitroso Compounds; D009607:Nitrosourea Compounds; D014508:Urea