Karimov Khakimjon Raimberdievich. (2023). Types, Complications, Prevalence and Methods of Investigation of Chronic Ulcer Disease of the Stomach and Duodenum. American Journal of Pediatric Medicine and Health Sciences (2993-2149), 1(10), 262–266. Retrieved from http://grnjournal.us/index.php/AJPMHS/article/view/2005