[Estrogen content of the blood of the brown frog (Rana temporaria L].
D000818:Animals; D001001:Anura; D003271:Contraceptive Agents, Female; D045166:Estradiol Congeners; D004967:Estrogens; D005260:Female; D006801:Humans; D011896:Rana temporaria; D011898:Ranidae
D003271:Contraceptive Agents, Female; D045166:Estradiol Congeners; D004967:Estrogens
ESTROGENS; FROGS