ADH4/CA5A protein level ratio in blood (OBA_2053754) can be described as follows. A compound attribute that is the ratio of amount of all-trans-retinol dehydrogenase [NAD(+)] ADH4 (human) in blood to amount of carbonic anhydrase 5A, mitochondrial (human) in blood. Also known as: the ratio of amount of all-trans-retinol dehydrogenase [NAD(+)] ADH4 (human) in blood to amount of carbonic anhydrase 5A, mitochondrial (human) in blood.