A compound attribute that is the ratio of amount of chymotrypsin-like elastase family member 3A (human) in blood to amount of chymotrypsin-C (human) in blood. The trait is OBA_2054256 (CELA3A/CTRC protein level ratio in blood). Also known as: the ratio of amount of chymotrypsin-like elastase family member 3A (human) in blood to amount of chymotrypsin-C (human) in blood.