Use of the male British toad as a pregnancy test animal.
FRAZER
J F D
JF
WOHLZOGEN
F X
FX
D000818:Animals; D002025:Bufonidae; D005006:Ethnicity; D005260:Female; D006801:Humans; D011247:Pregnancy; D011258:Pregnancy Tests; D011270:Pregnancy, Animal
PREGNANCY