a total of 161 patients with chronic obstructive pulmonary disease ( copd ) plus 100 control subjects ( identified during a study of heart disease in 6,860 japanese-american men aged 52 to 75 years who were residing in hawaii ) were analyzed for phenotype in search of the antitrypsin gene z , which has been shown to be associated with pulmonary emphysema in other racial groups .
C0024117
chronic obstructive pulmonary disease
C0034067
pulmonary emphysema