The separation of oestrogens from avian droppings.
D000818:Animals; D001717:Birds; D003271:Contraceptive Agents, Female; D045166:Estradiol Congeners; D004967:Estrogens; D005260:Female; D006801:Humans; D012162:Retinal Degeneration
D003271:Contraceptive Agents, Female; D045166:Estradiol Congeners; D004967:Estrogens
ESTROGENS