title: Hypogammaglobulinemia and antibody deficiency in patients with elevated sweat chloride concentrations.
mesh_terms: D000293:Adolescent; D000328:Adult; D000361:Agammaglobulinemia / Q000175:diagnosis* / Q000378:metabolism; D002712:Chlorides / Q000032:analysis*; D003550:Cystic Fibrosis / Q000175:diagnosis; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D012141:Respiratory Tract Infections / Q000276:immunology; D013542:Sweat / Q000032:analysis*
chemical_list: D002712:Chlorides