{"id":"S2009002060","label":"Birch bark extract","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009002060","normalized_label":"birch bark extract","broader":["http://id.loc.gov/authorities/subjects/sh00006752"],"aliases":["BBE (Birch bark extract)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009002060","provider":"lcsh","revision":"5446c8bab33fca93","taxonomy_revision":"f050b5d4780b1289","title":"Birch bark extract","url":"/topics/S2009002060","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4957407960931377700","address_version":"morton4x16-v1","coordinates":[0,478,64449,12288],"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}