Nishonov, F., and M. Nishonov. “SURGICAL TACTICS AND CHOICE OF PHARMACOTHERAPY FOR STENOSING PYLORODUODENAL ULCERS”. Toshkent Tibbiyot Akademiyasi Axborotnomasi, no. 2, July 2020, pp. 109-13, https://journals.tma.uz/index.php/ttaa/article/view/162.