{"id":"S85051674","label":"Free radicals (Chemistry)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85051674","normalized_label":"free radicals (chemistry)","broader":["http://id.loc.gov/authorities/subjects/sh85110378"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85051674","provider":"lcsh","revision":"ed6d242ceae1e1f1","taxonomy_revision":"f050b5d4780b1289","title":"Free radicals (Chemistry)","url":"/topics/S85051674","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"900865353071068672","address_version":"morton4x16-v1","coordinates":[0,20,18212,26624],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}