Water hardness, rainfall, and cardiovascular mortality.
D000328:Adult; D002318:Cardiovascular Diseases; D003327:Coronary Disease / Q000401:mortality; D004739:England; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012923:Social Class; D013223:Statistics as Topic; D014852:Wales; D014867:Water; D014887:Weather
D014867:Water