title: Lung disease with chronic obstruction in opium smokers in Singapore. Clinical, electrocardiographic, radiological, functional and pathological features.
mesh_terms: D000208:Acute Disease; D000368:Aged; D000402:Airway Obstruction / Q000175:diagnosis; D001344:Autopsy; D001987:Bronchiectasis / Q000000981:diagnostic imaging; D001991:Bronchitis / Q000000981:diagnostic imaging; D002244:Carbon; D002908:Chronic Disease; D003371:Cough; D004391:Dust; D004417:Dyspnea; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D009892:Opium; D011656:Pulmonary Emphysema / Q000000981:diagnostic imaging; D011658:Pulmonary Fibrosis / Q000175:diagnosis; D011859:Radiography; D012846:Singapore; D012907:Smoking; D013147:Spirometry; D019966:Substance-Related Disorders / Q000473:pathology
chemical_list: D004391:Dust; D002244:Carbon; D009892:Opium