Studies of complement levels in normal human pregnancy.
D000917:Antibody Formation; D001800:Blood Specimen Collection; D003165:Complement System Proteins / Q000032:analysis*; D004622:Embryo, Mammalian / Q000276:immunology; D005260:Female; D005333:Fetus / Q000276:immunology; D005865:Gestational Age; D006462:Hemolytic Plaque Technique; D006801:Humans; D005779:Immunodiffusion; D011247:Pregnancy; D011863:Radioimmunoassay
D003165:Complement System Proteins