title: Emphysema I: a five year clinical study in Malaysian patients.
mesh_terms: D000328:Adult; D000368:Aged; D004646:Emphysema / Q000175:diagnosis* / Q000453:epidemiology; D005260:Female; D006801:Humans; D008296:Malaysia; D008297:Male; D008875:Middle Aged; D012129:Respiratory Function Tests