A compound attribute that is the ratio of amount of fatty acid-binding protein, liver (human) in blood to amount of galectin-4 (human) in blood. The trait is OBA_2055425 (FABP1/LGALS4 protein level ratio in blood). Also known as: the ratio of amount of fatty acid-binding protein, liver (human) in blood to amount of galectin-4 (human) in blood.