On the principal estrogenic constituents of the urine of the stallion.
D000818:Animals; D001826:Body Fluids; D003271:Contraceptive Agents, Female; D045166:Estradiol Congeners; D004967:Estrogens / Q000652:urine*; D004970:Estrone; D005260:Female; D006736:Horses; D006801:Humans; D008297:Male; D014556:Urine
ESTROGENS/in horse; ESTROGENS/in urine; URINE/in stallion