Levels of wo components of complement (C'4 and C'3) in human fetal and newborn sera.
D003168:Complement Fixation Tests; D003165:Complement System Proteins / Q000032:analysis*; D005260:Female; D005333:Fetus; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D011247:Pregnancy
D003165:Complement System Proteins