title: [Quality index of the cardiovascular system reaction to loading in 13- to 15-year-old schoolchildren].
mesh_terms: D000293:Adolescent; D002302:Cardiac Output; D002320:Cardiovascular Physiological Phenomena; D005260:Female; D006801:Humans; D008297:Male; D005082:Physical Exertion; D012016:Reference Values
vernacular_title: Pokaznyk iakosti reaktsiï sertsevo-sudynnoï systemy na navantazhennia u shkoliariv 13--15 rokiv.