Factors that influence simple lung function tests with special reference to ethnic factors.
D000328:Adult; D000368:Aged; D044383:Black People; D002681:China / Q000208:ethnology; D005006:Ethnicity; D006801:Humans; D007194:India / Q000208:ethnology; D008297:Male; D008875:Middle Aged; D011114:Polynesia / Q000208:ethnology; D012129:Respiratory Function Tests; D013019:South Africa