[Relationship between hardness of drinking water and mortality of cardiovascular diseases].
D000328:Adult; D000368:Aged; D002118:Calcium / Q000032:analysis; D002318:Cardiovascular Diseases / Q000401:mortality*; D002681:China; D002712:Chlorides / Q000032:analysis; D005260:Female; D006801:Humans; D008274:Magnesium / Q000032:analysis; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D014881:Water Supply / Q000032:analysis*
D002712:Chlorides; D008274:Magnesium; D002118:Calcium