title: The reliability of the male North American frog (Rana pipiens) in the diagnosis of pregnancy.
authors.forename: S L
authors.initials: SL
authors.lastname: ROBBINS
authors.forename: F
authors.initials: F
authors.lastname: PARKER
mesh_terms: D000818:Animals; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy / Q000175:diagnosis; D011894:Rana pipiens; D015203:Reproducibility of Results; D014481:United States
keywords: PREGNANCY/diagnosis, diagnostic