{"id":"S85121401","label":"Shielding (Radiation)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85121401","normalized_label":"shielding (radiation)","broader":["http://id.loc.gov/authorities/subjects/sh85092972","http://id.loc.gov/authorities/subjects/sh85110666","http://id.loc.gov/authorities/subjects/sh85148755"],"aliases":["Nuclear shielding","Radiation shielding"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85121401","provider":"lcsh","revision":"d98d85fc8505421e","taxonomy_revision":"f050b5d4780b1289","title":"Shielding (Radiation)","url":"/topics/S85121401","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10124171419295286788","address_version":"morton4x16-v1","coordinates":[0,20,19301,58368],"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}