[Experimental gastrointestinal neoplasms].
D000818:Animals; D004285:Dogs; D005770:Gastrointestinal Neoplasms / Q000139:chemically induced*; D051379:Mice; D009374:Neoplasms, Experimental; D009603:Nitroso Compounds; D051381:Rats
D009603:Nitroso Compounds