Maternal antibodies in human neonatal sera.
D000906:Antibodies / Q000032:analysis*; D003168:Complement Fixation Tests; D036861:Delivery, Obstetric; D004196:Disease Outbreaks; D005260:Female; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis; D007231:Infant, Newborn; D007251:Influenza, Human / Q000276:immunology*; D011247:Pregnancy
D000906:Antibodies; D007074:Immunoglobulin G