# Controlled release { "id": "S2002006375", "title": "Controlled release", "url": "/topics/S2002006375", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "440d934d3519fff8", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "9515129656609744390", "address_version": "morton4x16-v1", "coordinates": [ 0, 477, 20677, 39936 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Use as a topical subdivision under individual drugs and groups of drugs. Under individual and groups of non-drug chemicals use the subdivision [Therapeutic use--Controlled release] Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh2002006375 No owner-reviewed local answer yet.