title: [The problem of epidemiologic evaluation of water contents].
mesh_terms: D001991:Bronchitis / Q000209:etiology; D003731:Dental Caries / Q000517:prevention & control; D004812:Epidemiologic Methods; D004813:Epidemiology; D005170:Factor X; D005459:Fluorides / Q000032:analysis / Q000627:therapeutic use; D005845:Georgia; D006325:Heart Atria / Q000187:drug effects; D006331:Heart Diseases / Q000209:etiology; D006801:Humans; D008274:Magnesium / Q000494:pharmacology; D009203:Myocardial Infarction / Q000517:prevention & control; D014867:Water / Q000032:analysis*; D014881:Water Supply
chemical_list: D014867:Water; D005170:Factor X; D008274:Magnesium; D005459:Fluorides
vernacular_title: Probleme der epidemiologischen Beurteilung von Wasserinhaltsstoffen