Bychkov Nikolay Anatoljevich. Special features of diagnosis and treatment gastroesophageal reflux disease connected with peptic ulcer duodenum : к.мед.н. : spec.. 14.01.02 - Внутрішні хвороби : presented. 2005-03-17; popup.evolution: .; Ukrain Research Institute of Gastroenterology Ministry of Healthcare of the Ukraine. – , 0405U001020.

Updated: 2026-10-23