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