{"id":"S85022899","label":"Chemical embryology","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85022899","normalized_label":"chemical embryology","broader":["http://id.loc.gov/authorities/subjects/sh85014171","http://id.loc.gov/authorities/subjects/sh85042722"],"aliases":["Embryology, Chemical"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85022899","provider":"lcsh","revision":"980ddc8ea6c49ae0","taxonomy_revision":"f050b5d4780b1289","title":"Chemical embryology","url":"/topics/S85022899","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088217114189103680","address_version":"morton4x16-v1","coordinates":[0,20,17762,52224],"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}