[Hormone diagnosis of pregnancy, using male frogs, Rana ridibunda].
D000818:Animals; D001001:Anura; D008297:Male; D011247:Pregnancy; D011895:Rana ridibunda; D011898:Ranidae
PREGNANCY
Gormonal'naia diagnostika beremennosti s ispol'zovaniem samtsov liagushek (Rana ridibunda) kak testob'ekta.