TY JOUR TI Relationship between diabetes mellitus and stomach cancer, the effect of metformin on the course of diseases and prognosis KW diabetes KW gastric cancer KW gastrectomy KW Helicobacter pylori KW metformin JO Clinical Medicine and Pharmacology AU Radygina, L.V. AU Barybkina, M.N. PY 2025 IS 11 PB LLC Information and publishing center Innovations and investments