Effect of penicillin on the development of mammary tumors in mice containing the milk agent.
D000818:Animals; D008324:Mammary Tumor Virus, Mouse; D051379:Mice; D008892:Milk; D009369:Neoplasms; D009374:Neoplasms, Experimental; D010406:Penicillins / Q000494:pharmacology*
D010406:Penicillins
PENICILLIN/effects; TUMORS/experimental