Nmethyl-N-nitrosourea as a strong topical carcinogen when painted on skin of rodents.
D000818:Animals; D002273:Carcinogens; D006224:Cricetinae; D051379:Mice; D009603:Nitroso Compounds; D051381:Rats; D012878:Skin Neoplasms / Q000139:chemically induced*
D002273:Carcinogens; D009603:Nitroso Compounds