OBA_2053757 (ADH4/KRT18 protein level ratio in blood) 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 keratin, type I cytoskeletal 18 (human) in blood. Also known as: the ratio of amount of all-trans-retinol dehydrogenase [NAD(+)] ADH4 (human) in blood to amount of keratin, type I cytoskeletal 18 (human) in blood.