# Effect of surface active agents on { "id": "S2005003642", "title": "Effect of surface active agents on", "url": "/topics/S2005003642", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "98b132befcaa4957", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "9836007024008504868", "address_version": "morton4x16-v1", "coordinates": [ 0, 478, 1973, 59392 ], "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 animals and groups of animals. Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh2005003642 No owner-reviewed local answer yet.