A compound attribute that is the ratio of amount of Delta(14)-sterol reductase LBR (human) in blood to amount of F-box-like/WD repeat-containing protein TBL1X (human) in blood. The trait is Ontology of Biological Attributes term OBA_2054958 (LBR/TBL1X protein level ratio in blood). Also known as: the ratio of amount of Delta(14)-sterol reductase LBR (human) in blood to amount of F-box-like/WD repeat-containing protein TBL1X (human) in blood.