{"id":"S85086297","label":"Mitral valve--Surgery","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85086297","normalized_label":"mitral valve--surgery","broader":[],"aliases":["Mitral valvotomy","Mitral valvulotomy"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85086297","provider":"lcsh","revision":"8dff3c5ccafdc72b","taxonomy_revision":"f050b5d4780b1289","title":"Mitral valve--Surgery","url":"/topics/S85086297","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"900799107558408708","address_version":"morton4x16-v1","coordinates":[0,20,18753,25600],"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}