Ethnic health project 1979/1980.
D000328:Adult; D000349:Africa / Q000208:ethnology; D001208:Asia / Q000208:ethnology; D002648:Child; D002675:Child, Preschool; D005260:Female; D006266:Health Education; D006301:Health Services Needs and Demand; D006302:Health Services Research; D006303:Health Services, Indigenous; D006801:Humans; D008131:London; D008297:Male; D011845:Radio; D014900:West Indies / Q000208:ethnology