{"title": "Californium-252, isotope for 21st century radiotherapy", "subjects": ["Radioisotope brachytherapy", "Cancer", "Neoplasms", "Radiotherapy", "Congresses", "Brachytherapy", "Californium", "Therapeutic use", "Cancer, radiotherapy", "Radioisotopes, therapeutic use"], "key": "/works/OL23645908W", "type": {"key": "/type/work"}, "covers": [13199448], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2020-11-25T19:46:11.339823"}, "last_modified": {"type": "/type/datetime", "value": "2023-02-01T21:26:03.712946"}}