A compound attribute that is the ratio of amount of annexin A4 (human) in blood to amount of thymidine phosphorylase (human) in blood. The trait is ANXA4/TYMP protein level ratio in blood (OBA_2054326, an Ontology of Biological Attributes id). Also known as: the ratio of amount of annexin A4 (human) in blood to amount of thymidine phosphorylase (human) in blood.