The distribution of mortality from coronary heart disease in South Wales.
D000328:Adult; D000367:Age Factors; D001991:Bronchitis / Q000401:mortality; D002561:Cerebrovascular Disorders / Q000401:mortality; D003327:Coronary Disease / Q000401:mortality*; D005260:Female; D006801:Humans; D008297:Male; D014852:Wales; D014880:Water Softening; D014881:Water Supply