00755naa#a2200217#i#450# EN\\bibl\27744 20250314104614.5 2312-4431 20190521b2019####ek#y0engy0150####ca RUS RU QUALITY OF LIFE AS AN INDICATOR OF THE EFFECTIVENESS OF THE CHOICE OF THE METHOD OF TREATING ULCER DISEASES Journal article Cheboksary Non-state educational private institution of additional professional education "Expert-methodological centre" 2019 6 с. Journal article local Kunitsa V. N. Polishchuk Tatyana F. Chernukha Sergey N. Kirsanova Natalia V. Polskaya Lyudmila V. zh-szf.ru