title: The Male Frog, Rana pipiens, as a New Test Animal for Early Pregnancy.
authors.forename: P B
authors.initials: PB
authors.lastname: Wiltberger
authors.forename: D F
authors.initials: DF
authors.lastname: Miller
mesh_terms: D000818:Animals; D001001:Anura; D004912:Erythrocytes; D008288:Malaria / Q000097:blood*; D011247:Pregnancy / Q000175:diagnosis; D011894:Rana pipiens; D011898:Ranidae