{"subjects": ["Heart Diseases", "In adolescence", "In infancy & childhood", "Pediatric cardiology", "Popular works", "Heart, diseases", "Adolescent", "Child", "Infant"], "key": "/works/OL4972286W", "title": "A parent's guide to heart disorders", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1073750A"}}], "type": {"key": "/type/work"}, "covers": [4121463], "latest_revision": 6, "revision": 6, "created": {"type": "/type/datetime", "value": "2009-12-10T08:10:41.619589"}, "last_modified": {"type": "/type/datetime", "value": "2025-02-09T19:38:54.021849"}}