title: IgG2 and IgG3 subclass deficiencies in selective IgA deficiency in the United States.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004406:Dysgammaglobulinemia / Q000453:epidemiology / Q000276:immunology*; D005260:Female; D006801:Humans; D017098:IgA Deficiency; D017099:IgG Deficiency; D007070:Immunoglobulin A / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis; D008297:Male; D008875:Middle Aged; D014481:United States
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G