IL16/NADK protein level ratio in blood (OBA_2054422, an Ontology of Biological Attributes identifier) can be described as follows. A compound attribute that is the ratio of amount of pro-interleukin-16 (human) in blood to amount of NAD kinase (human) in blood. Also known as: the ratio of amount of pro-interleukin-16 (human) in blood to amount of NAD kinase (human) in blood.