title: Role of the classical and alternative complement pathways in chemotaxis and opsonization: studies of human serum deficient in C4.
mesh_terms: D002633:Chemotaxis; D002648:Child; D003181:Complement C4 / Q000172:deficiency*; D003165:Complement System Proteins; D006801:Humans; D008297:Male; D009895:Opsonin Proteins
chemical_list: D003181:Complement C4; D009895:Opsonin Proteins; D003165:Complement System Proteins