TY JOUR TI CLINICAL TACTICS IN CASE OF MULTIPLE COMPLICATIONS OF PEPTIC ULCER DISEASE: A CASE FROM PRACTICE KW gastric ulcer KW bleeding KW perforation KW penetration KW pyloric stenosis KW hemorrhagic shock KW pancreatitis KW pneumothorax KW hydrothorax KW pyelonephritis. JO Tavricheskiy Mediko-Biologicheskiy Vestnik AU Fomochkin, I.I. AU Golomidov, A.N. AU Saenko, Y.S. AU Kalinichenko, A.P. AU Mal'chenko, A.G. PY 2025 IS 28 PB V.I. Vernadsky Crimean Federal University