title: [Heart rate disorders in children with dysfunction of the sinoatrial node].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008297:Male; D012804:Sick Sinus Syndrome / Q000175:diagnosis*
vernacular_title: Narusheniia serdechnogo ritma u deteĭ pri disfunktsii sinoatrial'nogo uzla.