Oestrogens in pasture.
D003271:Contraceptive Agents, Female; D004967:Estrogens / Q000737:chemistry*; D005260:Female; D006801:Humans; D006109:Poaceae / Q000737:chemistry*
D003271:Contraceptive Agents, Female; D004967:Estrogens
ESTROGENS/chemistry; GRASSES/chemistry