title: [Echocardiography in the evaluation of phasic-volumetric indicators of the cardiac cycle in healthy schoolchildren].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001810:Blood Volume; D002648:Child; D003971:Diastole; D004452:Echocardiography; D005260:Female; D006321:Heart / Q000033:anatomy & histology / Q000502:physiology*; D006801:Humans; D008297:Male; D009200:Myocardial Contraction; D012737:Sex Factors
vernacular_title: Ekhokardiografiia v otsenke fazovo-ob"emnykh pokazateleĭ serdechnogo tsikla u zdorovykh deteĭ shkol'nogo vozrasta.