{"id":"S87001939","label":"Heart--Differentiation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh87001939","normalized_label":"heart--differentiation","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh87001939","provider":"lcsh","revision":"18ee490cc892bf1b","taxonomy_revision":"f050b5d4780b1289","title":"Heart--Differentiation","url":"/topics/S87001939","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5207511644401452548","address_version":"morton4x16-v1","coordinates":[0,20,48685,19456],"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}