{"id":"S91000506","label":"Blood coagulation factor IX","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh91000506","normalized_label":"blood coagulation factor ix","broader":["http://id.loc.gov/authorities/subjects/sh85014975"],"aliases":["Antihemophilic factor B","Autoprothrombin II","Christmas factor","Factor IX (Blood coagulation)","Hemophilic factor B","Plasma thromboplastin component","Platelet cofactor II"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh91000506","provider":"lcsh","revision":"419899a9bb5333bf","taxonomy_revision":"f050b5d4780b1289","title":"Blood coagulation factor IX","url":"/topics/S91000506","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14466828915391742530","address_version":"morton4x16-v1","coordinates":[0,21,45626,59392],"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}