Synthetic oestrogenic substances; a comparative study on their effectiveness in women.
RYDEN
A B V
AB
D003271:Contraceptive Agents, Female; D045166:Estradiol Congeners; D004967:Estrogens; D005260:Female; D006801:Humans
D003271:Contraceptive Agents, Female; D045166:Estradiol Congeners; D004967:Estrogens