title: [Relation of water hardness to the occurrence of acute myocardial infarct].
mesh_terms: D002118:Calcium / Q000032:analysis*; D003604:Czechoslovakia; D006801:Humans; D009203:Myocardial Infarction / Q000517:prevention & control*; D014881:Water Supply / Q000032:analysis*
chemical_list: D002118:Calcium
vernacular_title: Beziehung der "Wasserhärte" zum Auftreten des akuten Herzinfarkts.