TY JOUR TI FEATURES OF EXTERNAL BEAM RADIATION THERAPY IN PATIENTS AFTER PACEMAKER IMPLANTATION KW breast cancer KW malignant tumors KW radiation therapy KW pacemaker KW CEED KW oncology JO Clinical Medicine and Pharmacology AU Bobkov, M.S. AU Blincov, V.M. PY 2024 IS 10 PB LLC Information and publishing center Innovations and investments