title: Relation between mortality and water hardness in Canada.
mesh_terms: D000328:Adult; D000367:Age Factors; D001161:Arteriosclerosis / Q000401:mortality; D002170:Canada; D002254:Carbonates / Q000032:analysis*; D002561:Cerebrovascular Disorders / Q000401:mortality; D002980:Climate; D004812:Epidemiologic Methods; D005843:Geography; D006331:Heart Diseases / Q000401:mortality; D006801:Humans; D008297:Male; D008875:Middle Aged; D009026:Mortality; D009790:Occupations; D012959:Socioeconomic Factors; D014881:Water Supply
chemical_list: D002254:Carbonates