title: [COMPARISON OF RESULTS OF PREGNANCY TESTS WITH THE USE OF THE ORTHO-TEST AND FRIEDMAN'S BIOLOGICAL TEST].
mesh_terms: D035843:Biomedical Research; D005260:Female; D006801:Humans; D011247:Pregnancy; D011258:Pregnancy Tests
keywords: CLINICAL RESEARCH; PREGNANCY; PREGNANCY TESTS
vernacular_title: POR'OWNANIE WYNIK'OW PR'OB CI A'ZOWYCH PRZY UZYCIU ORTHO-TESTU I PR'OBY BIOLOGICZNEJ FRIEDMANA.