DRAXIN/TCL1A protein level ratio in blood (OBA_2053186, an Ontology of Biological Attributes entry) can be described as follows. A compound attribute that is the ratio of amount of draxin (human) in blood to amount of T-cell leukemia/lymphoma protein 1A (human) in blood. Also known as: the ratio of amount of draxin (human) in blood to amount of T-cell leukemia/lymphoma protein 1A (human) in blood.