Studies in a serological pregnancy test. II.
D001681:Biological Assay; D005260:Female; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D011233:Precipitin Tests; D011247:Pregnancy; D011258:Pregnancy Tests; D012698:Serologic Tests
HEMAGGLUTINATION INHIBITION TESTS; PRECIPITIN TESTS; PREGNANCY TESTS