Natural and synthetic oestrogenic substances; their relative effectiveness when administered orally.
RYDEN
A B V
AB
D000728:Androgens; D003271:Contraceptive Agents, Female; D045166:Estradiol Congeners; D004967:Estrogens; D005260:Female; D006801:Humans
D000728:Androgens; D003271:Contraceptive Agents, Female; D045166:Estradiol Congeners; D004967:Estrogens
ANDROGENS; ESTROGENS