[Mailed questionnaires in epidemiologic surveys of cardiovascular diseases].
D002318:Cardiovascular Diseases / Q000453:epidemiology*; D003604:Czechoslovakia; D004812:Epidemiologic Methods; D006801:Humans; D011795:Surveys and Questionnaires
Dotazníky rozesílané postou v epidemiologických studiích kardiovaskulárních chorob.