{"id":"S2008006020","label":"Vertebrates--Age determination","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2008006020","normalized_label":"vertebrates--age determination","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2008006020","provider":"lcsh","revision":"be4abbd8d12c2972","taxonomy_revision":"f050b5d4780b1289","title":"Vertebrates--Age determination","url":"/topics/S2008006020","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4633153168631801440","address_version":"morton4x16-v1","coordinates":[0,478,48886,4096],"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}