title: [Phase analysis of cardiac systole in healthy children during the 1st 3 years of life].
mesh_terms: D000367:Age Factors; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000502:physiology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D010701:Phonocardiography; D010991:Plethysmography; D011247:Pregnancy
vernacular_title: Fazovyĭ analiz serdechnoĭ sistoly u zdrovykh deteĭ pervykh 3 let zhizni.