Yefremov Volodymyr Viktorovych. The short-term and long-term results of surgical and complex conservative treatment of duodenal ulcer bleedings at modern level : к.мед.н. : spec.. 14.01.03 - Хірургія : presented. 2014-12-18; popup.evolution: .; National medical university. – , 0415U001062.

Updated: 2026-11-07