{"id":"S85110713","label":"Radioisotopes","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85110713","normalized_label":"radioisotopes","broader":["http://id.loc.gov/authorities/subjects/sh85068681","http://id.loc.gov/authorities/subjects/sh85092968","http://id.loc.gov/authorities/subjects/sh85110610","http://id.loc.gov/authorities/subjects/sh85110675"],"aliases":["Radioactive isotopes","Radioactive nuclides","Radionuclides"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85110713","provider":"lcsh","revision":"951df04729d8765c","taxonomy_revision":"f050b5d4780b1289","title":"Radioisotopes","url":"/topics/S85110713","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10124171403122329152","address_version":"morton4x16-v1","coordinates":[0,20,19134,58368],"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}