title: [Letter: Calcium content of drinking water and heart diseases?].
mesh_terms: D002118:Calcium / Q000032:analysis*; D006331:Heart Diseases / Q000209:etiology*; D006801:Humans; D014881:Water Supply / Q000032:analysis*
chemical_list: D002118:Calcium
vernacular_title: Kalkgehalt des Trinkwassers und Herzerkrankungen?