Controversy over use of pregnant mare's urine.
Clay
S A
SA
D017087:Animal Rights; D000818:Animals; D004345:Drug Industry; D004966:Estrogens, Conjugated (USP); D004995:Ethics, Professional; D005260:Female; D006736:Horses / Q000652:urine*; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000652:urine*
D004966:Estrogens, Conjugated (USP)