The objective is to define the place of the operation of simple closure for perforated duodenal ulcers in the modern stage of the treatment of these patients. Material and methods. Comparative analysis of 2 groups of patients with perforated duodenal ulcer was made. https://www.ealisboa.com/best-flash-Nightstick-TWM-850XL-Tactical-Weapon-Mounted-Light-limited-super/