{"first_publish_date": "1915", "key": "/works/OL202179W", "title": "A working manual of high frequency currents", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2315433A"}}], "type": {"key": "/type/work"}, "subjects": ["Electrotherapeutics", "X-Ray Therapy", "X-rays", "Electric currents", "Therapeutic use", "Electric Stimulation Therapy"], "covers": [5826531, 6966237], "latest_revision": 5, "revision": 5, "created": {"type": "/type/datetime", "value": "2009-10-21T18:45:23.635777"}, "last_modified": {"type": "/type/datetime", "value": "2024-02-20T23:28:03.251366"}}