A new microhemagglutination inhibition pregnancy test.
D000328:Adult; D000818:Animals; D000937:Antigen-Antibody Reactions; D006063:Chorionic Gonadotropin / Q000652:urine*; D004912:Erythrocytes / Q000276:immunology; D005260:Female; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D008297:Male; D008722:Methods; D011247:Pregnancy; D011258:Pregnancy Tests / Q000592:standards; D012756:Sheep
D006063:Chorionic Gonadotropin