{"type": {"key": "/type/work"}, "title": "Magnesium, the natural safeguard against kidney stones", "subjects": ["Kidneys", "Calculi", "Prevention", "Popular works", "Magnesium in the body"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL14200702A"}, "role": "former owner."}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL6831602A"}}], "key": "/works/OL45682128W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-06-24T11:19:55.106463"}, "last_modified": {"type": "/type/datetime", "value": "2026-06-24T11:19:55.106463"}}