{"id":"S92001230","label":"Leukemia inhibitory factor","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh92001230","normalized_label":"leukemia inhibitory factor","broader":["http://id.loc.gov/authorities/subjects/sh85035236"],"aliases":["D factor (Leukemia inhibitory factor)","Differentiation-stimulating factor","LIF (Leukemia inhibitory factor)","Myeloid differentiation-stimulating factor"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh92001230","provider":"lcsh","revision":"5310153ebadf7a2b","taxonomy_revision":"f050b5d4780b1289","title":"Leukemia inhibitory factor","url":"/topics/S92001230","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4956427186325308998","address_version":"morton4x16-v1","coordinates":[0,21,61263,14336],"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}