{"last_modified": {"type": "/type/datetime", "value": "2010-12-16T22:12:35.699014"}, "title": "Quantitation and mass spectrometric data of drugs and isotopically labeled analogs", "created": {"type": "/type/datetime", "value": "2010-12-16T22:12:35.699014"}, "subjects": ["Pharmaceutical Preparations", "Mass spectrometry", "Drugs", "Central nervous system", "Analysis", "Central Nervous System Agents", "Radiolabeling", "Mass Spectrometry", "Effect of drugs on", "Chemistry", "Isotope Labeling", "Methods"], "latest_revision": 1, "key": "/works/OL15596200W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL540420A"}}], "type": {"key": "/type/work"}, "revision": 1}