title: Analytical and clinical sensitivity and specificity in pregnancy testing.
authors.forename: R J
authors.initials: RJ
authors.lastname: Norman
mesh_terms: D005260:Female; D006801:Humans; D007124:Immunoenzyme Techniques; D011247:Pregnancy; D011258:Pregnancy Tests / Q000379:methods*; D011259:Pregnancy Tests, Immunologic; D011863:Radioimmunoassay; D014556:Urine / Q000032:analysis