title: [Study of the heart conduction system during general anesthesia].
mesh_terms: D000768:Anesthesia, General; D002304:Cardiac Pacing, Artificial / Q000379:methods; D004947:Esophagus; D006329:Heart Conduction System / Q000502:physiology*; D006801:Humans; D007432:Intraoperative Period; D008875:Middle Aged; D013514:Surgical Procedures, Operative
vernacular_title: Issledovanie provodiashcheĭ sistemy serdtsa vo vremia obshcheĭ anestezii.