{"id":"S90001567","label":"Nitric oxide","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh90001567","normalized_label":"nitric oxide","broader":["http://id.loc.gov/authorities/subjects/sh85091183","http://id.loc.gov/authorities/subjects/sh85092069","http://id.loc.gov/authorities/subjects/sh85096314"],"aliases":["Endothelial relaxing factor","Endothelium-derived relaxing factors","Nitrogen oxide"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh90001567","provider":"lcsh","revision":"ad8ae1792d7e28b3","taxonomy_revision":"f050b5d4780b1289","title":"Nitric oxide","url":"/topics/S90001567","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"922265972579107394","address_version":"morton4x16-v1","coordinates":[0,21,30018,31744],"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}