Difference in the lobule-alveolar formation of the mammary gland in nulliparous and multiparous mice treated with estrogen and progesterone.
D000818:Animals; D001940:Breast / Q000187:drug effects*; D004967:Estrogens; D005260:Female; D006801:Humans; D042361:Mammary Glands, Human; D051379:Mice; D010298:Parity; D011374:Progesterone / Q000494:pharmacology*
D004967:Estrogens; D011374:Progesterone
BREAST/effect of drugs on; ESTROGENS/effects; PROGESTERONE/effects