{"subjects": ["Epidemiology", "Drug abuse", "Congresses", "Methodology", "Substance-Related Disorders"], "key": "/works/OL18220119W", "title": "What works in drug abuse epidemiology", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL6426494A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL457476A"}}], "type": {"key": "/type/work"}, "covers": [1886792], "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2019-02-04T10:13:49.825990"}, "last_modified": {"type": "/type/datetime", "value": "2023-01-11T00:04:35.765025"}}