On the occurrence and morphology of spontaneous tumours in the pituitary, adrenals, gonads and mammary glands in rats before and after gonadectomy, irradiation and treatment with oestrogen or progesterone.
D000818:Animals; D001943:Breast Neoplasms; D004967:Estrogens / Q000633:toxicity*; D006066:Gonads; D006801:Humans; D042361:Mammary Glands, Human; D008325:Mammary Neoplasms, Experimental; D011374:Progesterone / Q000633:toxicity*; D011830:Radiation Effects; D051381:Rats
D004967:Estrogens; D011374:Progesterone
BREAST NEOPLASMS/experimental; ESTROGENS/toxicology; PROGESTERONE/toxicology; RADIATION EFFECTS/experimental