CORRELATIONS BETWEEN WATER HARDNESS AND CARDIOVASCULAR DEATHS IN OKLAHOMA COUNTIES.
D002318:Cardiovascular Diseases; D002319:Cardiovascular System; D003643:Death; D004739:England; D005853:Geriatrics; D006244:Hardness; D006801:Humans; D009026:Mortality; D009825:Oklahoma; D013223:Statistics as Topic; D014481:United States; D014852:Wales; D014867:Water; D014881:Water Supply
D014867:Water
CARDIOVASCULAR DISEASES; ENGLAND; GERIATRICS; MORTALITY; OKLAHOMA; STATISTICS; UNITED STATES; WALES; WATER SUPPLY