title: Induction of malignant skin tumors in mice by topical application of ethylnitrosourea.
mesh_terms: D000818:Animals; D005038:Ethylnitrosourea; D005260:Female; D008297:Male; D051379:Mice; D009374:Neoplasms, Experimental / Q000139:chemically induced; D009607:Nitrosourea Compounds; D012737:Sex Factors; D012878:Skin Neoplasms / Q000139:chemically induced*
chemical_list: D009607:Nitrosourea Compounds; D005038:Ethylnitrosourea