Studies on the mammary glands of hybrid mice theoretically free of the milk agent.
D000818:Animals; D001943:Breast Neoplasms; D006801:Humans; D042361:Mammary Glands, Human; D008325:Mammary Neoplasms, Experimental; D008324:Mammary Tumor Virus, Mouse; D051379:Mice; D008892:Milk
BREAST NEOPLASMS/experimental