“EXPERIENCE OF DOUBLE STENTING IN MALIGNANT BILIARY AND DUODENAL OBSTRUCTION IN PATIENTS WITH ADENOCARCINOMA OF THE PANCREATIC HEAD”. Voprosy onkologii 65, no. 3 (March 1, 2019): 404–408. Accessed October 14, 2026. https://voprosyonkologii.ru/index.php/journal/article/view/977.