{"id":"S2006001524","label":"Optical coherence tomography","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2006001524","normalized_label":"optical coherence tomography","broader":["http://id.loc.gov/authorities/subjects/sh85067258","http://id.loc.gov/authorities/subjects/sh89007004"],"aliases":["OCT (Tomography)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2006001524","provider":"lcsh","revision":"fe4a3e9a34987899","taxonomy_revision":"f050b5d4780b1289","title":"Optical coherence tomography","url":"/topics/S2006001524","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10090319373404628516","address_version":"morton4x16-v1","coordinates":[0,478,17565,53248],"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}