title: Clinical and immunological evaluation of patients low in single or multiple IgG subclasses.
mesh_terms: D000328:Adult; D000917:Antibody Formation; D002648:Child; D004406:Dysgammaglobulinemia / Q000276:immunology*; D006801:Humans; D017099:IgG Deficiency; D007074:Immunoglobulin G / Q000145:classification / Q000235:genetics; D008213:Lymphocyte Activation; D014656:Vascular Surgical Procedures
chemical_list: D007074:Immunoglobulin G