{"id":"S85092097","label":"Nitrous oxide","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85092097","normalized_label":"nitrous oxide","broader":["http://id.loc.gov/authorities/subjects/sh85004977","http://id.loc.gov/authorities/subjects/sh85092082"],"aliases":["Laughing-gas"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85092097","provider":"lcsh","revision":"d5afc4357d147337","taxonomy_revision":"f050b5d4780b1289","title":"Nitrous oxide","url":"/topics/S85092097","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"288309559242933760","address_version":"morton4x16-v1","coordinates":[0,20,18844,1024],"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}