{"id":"S92000347","label":"Vaginal birth after cesarean","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh92000347","normalized_label":"vaginal birth after cesarean","broader":["http://id.loc.gov/authorities/subjects/sh85036582"],"aliases":["Post-cesarean vaginal birth","VBAC (Obstetrics)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh92000347","provider":"lcsh","revision":"5c514d25807eede7","taxonomy_revision":"f050b5d4780b1289","title":"Vaginal birth after cesarean","url":"/topics/S92000347","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5530644934908051974","address_version":"morton4x16-v1","coordinates":[0,21,61249,27648],"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}