title: [Histographical analysis of the variation in the heart rate in senior schoolchildren in response to the educational load].
mesh_terms: D000293:Adolescent; D006321:Heart / Q000502:physiology; D006339:Heart Rate; D006801:Humans; D007858:Learning / Q000502:physiology*; D013850:Thinking / Q000502:physiology
vernacular_title: Gistograficheskiĭ analiz izmeneniia serdechnogo ritma u uchashchikhsia starshikh klassov pod vlianiem uchebnoĭ nagruzki.