{"id":"S2007006026","label":"Radiographic contrast media","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2007006026","normalized_label":"radiographic contrast media","broader":["http://id.loc.gov/authorities/subjects/sh2007006024","http://id.loc.gov/authorities/subjects/sh2007007309"],"aliases":["Contrast media","Radiographic contrast agents","Radiopaque diagnostic agents","X-ray contrast media"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2007006026","provider":"lcsh","revision":"eda931313637f461","taxonomy_revision":"f050b5d4780b1289","title":"Radiographic contrast media","url":"/topics/S2007006026","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4647855580420138532","address_version":"morton4x16-v1","coordinates":[0,478,33261,10240],"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}