title: Use of male Philippine frog, Rana vittigera, as test animal for diagnosis of early pregnancy.
authors.forename: H L
authors.initials: HL
authors.lastname: KEEGAN
authors.forename: P W
authors.initials: PW
authors.lastname: STONESIFER
mesh_terms: D000818:Animals; D005260:Female; D010679:Philippines; D011247:Pregnancy; D011898:Ranidae
keywords: PREGNANCY