{"title": "A health education procedure for the grades and grade teachers", "subjects": ["Health education"], "key": "/works/OL404837W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL17538A"}}], "type": {"key": "/type/work"}, "covers": [14877821], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-10-28T00:14:13.859994"}, "last_modified": {"type": "/type/datetime", "value": "2025-04-25T14:29:09.480815"}}