Ontology of Biological Attributes identifier OBA_2054617 (CTRC/PLA2G1B protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of chymotrypsin-C (human) in blood to amount of phospholipase A2 (human) in blood. Also known as: the ratio of amount of chymotrypsin-C (human) in blood to amount of phospholipase A2 (human) in blood.