title: Xenopus laevis pregnancy test; report of a series with a small number of frogs.
authors.forename: R F
authors.initials: RF
authors.lastname: RASMUSSEN
mesh_terms: D000818:Animals; D005260:Female; D006801:Humans; D011247:Pregnancy; D011258:Pregnancy Tests; D013587:Syphilis; D013588:Syphilis Serodiagnosis; D014982:Xenopus laevis
keywords: SYPHILIS/serodiagnosis