title: [Interfering factors in immunological pregnancy tests with special references to urinary constituents (author's transl)].
mesh_terms: D005260:Female; D006029:Glycosuria; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D006863:Hydrogen-Ion Concentration; D011247:Pregnancy; D011259:Pregnancy Tests, Immunologic; D011507:Proteinuria; D013048:Specimen Handling; D014556:Urine / Q000032:analysis*