Climate, water hardness and coronary heart disease.
D002980:Climate; D003327:Coronary Disease / Q000401:mortality*; D004777:Environment; D006801:Humans; D006813:Humidity; D008297:Male; D008875:Middle Aged; D008903:Minerals / Q000032:analysis; D013696:Temperature; D014481:United States; D014881:Water Supply / Q000032:analysis*; D014887:Weather; D044465:White People
D008903:Minerals