title: British phlegm, British bronchi.
mesh_terms: D000328:Adult; D000402:Airway Obstruction / Q000175:diagnosis / Q000209:etiology; D001980:Bronchi / Q000378:metabolism; D001991:Bronchitis / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged; D009093:Mucus / Q000378:metabolism; D011656:Pulmonary Emphysema / Q000175:diagnosis; D012907:Smoking / Q000150:complications; D006113:United Kingdom