Makarevich, E. I., V. V. Kudlo, and I. G. Zhuk. “METHODS FOR CLOSING PERFORATIONS OF GASTRIC AND DUODENAL ULCERS”. HEPATOLOGY and GASTROENTEROLOGY, Vol. 7, no. 2, Dec. 2023, pp. 112-7, doi:10.25298/2616-5546-2023-7-2-112-117.