The steroids of pregnant mares' urine; a method for the extraction of steroid sulphates and the isolation of allopregn-16-en-3(beta)-ol-20-one sulphate.
D000818:Animals; D005260:Female; D006736:Horses; D007477:Ions; D011247:Pregnancy; D013256:Steroids; D013431:Sulfates
D007477:Ions; D013256:Steroids; D013431:Sulfates