The hard facts behind the hard-water theory and ischemic heart disease.
D002118:Calcium; D003327:Coronary Disease / Q000453:epidemiology / Q000209:etiology* / Q000401:mortality; D005260:Female; D006801:Humans; D008274:Magnesium; D008297:Male; D008903:Minerals; D009657:North Carolina; D012306:Risk; D014881:Water Supply
D008903:Minerals; D008274:Magnesium; D002118:Calcium