COL6A3/COLEC12 protein level ratio in blood (OBA_2053872) can be described as follows. A compound attribute that is the ratio of amount of collagen alpha-3(VI) chain (human) in blood to amount of collectin-12 (human) in blood. Also known as: the ratio of amount of collagen alpha-3(VI) chain (human) in blood to amount of collectin-12 (human) in blood.