Case review: chronic cough in a 59-year-old man.
D000361:Agammaglobulinemia / Q000175:diagnosis; D002908:Chronic Disease; D003371:Cough / Q000175:diagnosis / Q000209:etiology*; D003937:Diagnosis, Differential; D006801:Humans; D017098:IgA Deficiency; D008297:Male; D008875:Middle Aged; D012130:Respiratory Hypersensitivity / Q000209:etiology; D003313:Zea mays / Q000009:adverse effects