{"created": {"type": "/type/datetime", "value": "2009-12-10T06:24:19.194942"}, "subjects": ["Cholecystostomy", "Cholelithiasis", "Drainage", "Gallbladder", "Gallstones", "Interventional radiology", "Percutaneous cholecystostomy", "Surgery"], "latest_revision": 3, "key": "/works/OL4448438W", "title": "Interventional radiology of the gallbladder", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL885712A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2010-12-04T14:37:15.610027"}, "covers": [4025118], "revision": 3}