title: Impaired lung function in patients with IgA deficiency and low levels of IgG2 or IgG3.
mesh_terms: D000328:Adult; D002648:Child; D004406:Dysgammaglobulinemia / Q000150:complications / Q000503:physiopathology*; D005260:Female; D006801:Humans; D017098:IgA Deficiency; D017099:IgG Deficiency; D008168:Lung / Q000503:physiopathology*; D008297:Male; D012141:Respiratory Tract Infections / Q000209:etiology