title: [Severe congenital heart defects in children below 2 years of age. Occurrence in the East-Bohemian Region, 1970-1974].
mesh_terms: D000367:Age Factors; D003604:Czechoslovakia; D006330:Heart Defects, Congenital / Q000453:epidemiology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D012189:Retrospective Studies
vernacular_title: Velmi závazné vrozené srdecni vady u dĕtí do dvou let. Incidence ve Východoceském kraji 1970--1974.