# Toxicology--Biography { "id": "S2002007680", "title": "Toxicology--Biography", "url": "/topics/S2002007680", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "f550bacc61fbfa47", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "289356286360183362", "address_version": "morton4x16-v1", "coordinates": [ 0, 477, 20698, 0 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Use this subdivision combination as a form subdivision under individual chemicals and groups of chemicals. Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh2002007680 No owner-reviewed local answer yet.