{"id":"S92004606","label":"Platelet-derived growth factor","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh92004606","normalized_label":"platelet-derived growth factor","broader":["http://id.loc.gov/authorities/subjects/sh85015016","http://id.loc.gov/authorities/subjects/sh85057532"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh92004606","provider":"lcsh","revision":"679229886c5f4068","taxonomy_revision":"f050b5d4780b1289","title":"Platelet-derived growth factor","url":"/topics/S92004606","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14756259976490123846","address_version":"morton4x16-v1","coordinates":[0,21,61315,63488],"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}