title: [Study of the characteristics of sinus rhythm of the heart in healthy children and those with primary arterial hypertension by the method of intervalocardiography].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D006801:Humans; D006973:Hypertension / Q000503:physiopathology*; D007223:Infant; D012849:Sinoatrial Node / Q000502:physiology* / Q000503:physiopathology
vernacular_title: Issledovanie osobennosteĭ sinusovogo ritma serdtsa u zdorovykh i deteĭ s pervichnoĭ arterial'noĭ gipertonieĭ metodom intervalokardiografii