{"id":"S85142907","label":"Vertebrobasilar insufficiency","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85142907","normalized_label":"vertebrobasilar insufficiency","broader":["http://id.loc.gov/authorities/subjects/sh85022123"],"aliases":["Basilar artery insufficiency","Insufficiency, Vertebrobasilar","Vertebral artery insufficiency","Vertebrobasilar arterial occlusive disease"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85142907","provider":"lcsh","revision":"e7be0015b2bb0db1","taxonomy_revision":"f050b5d4780b1289","title":"Vertebrobasilar insufficiency","url":"/topics/S85142907","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10124316263779272196","address_version":"morton4x16-v1","coordinates":[0,20,19637,60416],"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}