CIAPIN1/TYMP protein level ratio in blood (Ontology of Biological Attributes identifier OBA_2054968) can be described as follows. A compound attribute that is the ratio of amount of anamorsin (human) in blood to amount of thymidine phosphorylase (human) in blood. Also known as: the ratio of amount of anamorsin (human) in blood to amount of thymidine phosphorylase (human) in blood.