title: The effects of cardiac pacemakers of ionizing radiation and electromagnetic interference from radiotherapy machines.
mesh_terms: D004574:Electromagnetic Fields; D006331:Heart Diseases / Q000150:complications* / Q000628:therapy; D006801:Humans; D009369:Neoplasms / Q000150:complications* / Q000532:radiotherapy; D010138:Pacemaker, Artificial; D010315:Particle Accelerators; D011882:Radiotherapy, High-Energy / Q000009:adverse effects*