FGR/LBR protein level ratio in blood (OBA_2055390) can be described as follows. A compound attribute that is the ratio of amount of tyrosine-protein kinase Fgr (human) in blood to amount of Delta(14)-sterol reductase LBR (human) in blood. Also known as: the ratio of amount of tyrosine-protein kinase Fgr (human) in blood to amount of Delta(14)-sterol reductase LBR (human) in blood.