Effects of estrogens on bone density in English sparrows.
D000818:Animals; D001717:Birds; D015519:Bone Density; D001842:Bone and Bones / Q000187:drug effects*; D003271:Contraceptive Agents, Female; D004967:Estrogens; D005260:Female; D006801:Humans; D046370:Sparrows
D003271:Contraceptive Agents, Female; D004967:Estrogens
BIRDS; BONE TISSUE/effect of drugs on; ESTROGENS/effects