The male frog (Rana pipiens) compared to the female rat as a pregnancy test animal.
GREENBLATT
R B
RB
CLARK
S L
SL
WEST
R M
RM
D000818:Animals; D001681:Biological Assay; D005260:Female; D006801:Humans; D011247:Pregnancy; D011258:Pregnancy Tests; D011270:Pregnancy, Animal; D011894:Rana pipiens; D051381:Rats