Ontology of Biological Attributes term OBA_2054242 (CDSN/NECTIN4 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of corneodesmosin (human) in blood to amount of nectin-4 (human) in blood. Also known as: the ratio of amount of corneodesmosin (human) in blood to amount of nectin-4 (human) in blood.