title: The use of the male Rana pipiens frog in the diagnosis of pregnancy and the differential diagnosis of abortions.
authors.forename: E C
authors.initials: EC
authors.lastname: MAIER
mesh_terms: D000028:Abortion, Induced; D000022:Abortion, Spontaneous; D000818:Animals; D001001:Anura; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D011894:Rana pipiens