Ontology of Biological Attributes identifier OBA_2055423 (FABP1/FABP2 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of fatty acid-binding protein, liver (human) in blood to amount of fatty acid-binding protein, intestinal (human) in blood. Also known as: the ratio of amount of fatty acid-binding protein, liver (human) in blood to amount of fatty acid-binding protein, intestinal (human) in blood.