{"id":"S85107795","label":"Proton synchrotrons","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85107795","normalized_label":"proton synchrotrons","broader":["http://id.loc.gov/authorities/subjects/sh85107782","http://id.loc.gov/authorities/subjects/sh85131613"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85107795","provider":"lcsh","revision":"5b7f331b633a4473","taxonomy_revision":"f050b5d4780b1289","title":"Proton synchrotrons","url":"/topics/S85107795","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864911306732732932","address_version":"morton4x16-v1","coordinates":[0,20,19089,19456],"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}