Estrogen in the human ovary.
D003271:Contraceptive Agents, Female; D004967:Estrogens / Q000737:chemistry*; D005260:Female; D006801:Humans; D010053:Ovary / Q000737:chemistry*
D003271:Contraceptive Agents, Female; D004967:Estrogens
ESTROGENS/chemistry; OVARY/chemistry