Intravenous immunoglobulin.
D000361:Agammaglobulinemia / Q000150:complications / Q000276:immunology; D003176:Complement C3 / Q000032:analysis; D006801:Humans; D007116:Immunization, Passive / Q000009:adverse effects; D007074:Immunoglobulin G / Q000008:administration & dosage*; D017053:Infection Control; D007273:Injections, Intramuscular; D007275:Injections, Intravenous
D003176:Complement C3; D007074:Immunoglobulin G