{"id":"S85148748","label":"X-ray tubes","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85148748","normalized_label":"x-ray tubes","broader":["http://id.loc.gov/authorities/subjects/sh85042239","http://id.loc.gov/authorities/subjects/sh85110685"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85148748","provider":"lcsh","revision":"21cd0b77688a6095","taxonomy_revision":"f050b5d4780b1289","title":"X-ray tubes","url":"/topics/S85148748","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326585756955312644","address_version":"morton4x16-v1","coordinates":[0,20,19729,12288],"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}