title: A modification of the Friedman pregnancy test.
authors.forename: E F
authors.initials: EF
authors.lastname: DUCEY
mesh_terms: D001681:Biological Assay; D005260:Female; D006062:Gonadotropins; D006801:Humans; D011247:Pregnancy; D011258:Pregnancy Tests
chemical_list: D006062:Gonadotropins
keywords: GONADOTROPINS; PREGNANCY