{"id":"S00002028","label":"Middle ear--Ventilation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh00002028","normalized_label":"middle ear--ventilation","broader":["http://id.loc.gov/authorities/subjects/sh00009667","http://id.loc.gov/authorities/subjects/sh85085021"],"aliases":["Ventilation, Middle ear"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh00002028","provider":"lcsh","revision":"164adf5377db943f","taxonomy_revision":"f050b5d4780b1289","title":"Middle ear--Ventilation","url":"/topics/S00002028","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9261652633687704644","address_version":"morton4x16-v1","coordinates":[0,0,31,45056],"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}