title: [Echocardiogram of young athletes on an annual training cycle].
mesh_terms: D000293:Adolescent; D004452:Echocardiography; D006352:Heart Ventricles / Q000033:anatomy & histology; D006801:Humans; D008297:Male; D010507:Periodicity; D010806:Physical Education and Training; D012420:Running; D013997:Time Factors; D014142:Track and Field; D016276:Ventricular Function
vernacular_title: Ekhokardiogramma u iunykh sportsmenov v godichnom trenirovochnom tsikle.