[Comparative activity of different synthetic estrogens in birds; effect of method of administration].
D000818:Animals; D001717:Birds; D003271:Contraceptive Agents, Female; D045166:Estradiol Congeners; D004967:Estrogens / Q000008:administration & dosage*; D005260:Female; D006801:Humans
D003271:Contraceptive Agents, Female; D045166:Estradiol Congeners; D004967:Estrogens
ESTROGENS/administration
Activités comparées de différents oestrogènes de synthèse chez l'oiseau; influence du mode d'administration.