title: [Characteristics of the echocardiogram of healthy nursing infants, young and preschool children].
mesh_terms: D002675:Child, Preschool; D004452:Echocardiography; D006262:Health; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D012016:Reference Values
vernacular_title: Osobennosti ékhokardiogrammy zdorovykh deteĭ grudnogo, rannego i doshkol'nogo vozrasta.