{"id":"S2014001829","label":"Bioactive glasses","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2014001829","normalized_label":"bioactive glasses","broader":["http://id.loc.gov/authorities/subjects/sh85014239","http://id.loc.gov/authorities/subjects/sh85055125"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2014001829","provider":"lcsh","revision":"42c284f0e275254f","taxonomy_revision":"f050b5d4780b1289","title":"Bioactive glasses","url":"/topics/S2014001829","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9243721808369172544","address_version":"morton4x16-v1","coordinates":[0,480,11498,37888],"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}