{"id":"S2001000455","label":"Atmospheric fluorides","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2001000455","normalized_label":"atmospheric fluorides","broader":["http://id.loc.gov/authorities/subjects/sh85009280","http://id.loc.gov/authorities/subjects/sh85049419"],"aliases":["Air--Fluoride content","Airborne fluorides"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2001000455","provider":"lcsh","revision":"b039d06a08981457","taxonomy_revision":"f050b5d4780b1289","title":"Atmospheric fluorides","url":"/topics/S2001000455","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"3527534591484418","address_version":"morton4x16-v1","coordinates":[0,477,4960,7168],"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}