Ontology of Biological Attributes term OBA_2053810 (COLEC12/NBL1 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of collectin-12 (human) in blood to amount of neuroblastoma suppressor of tumorigenicity 1 (human) in blood. Also known as: the ratio of amount of collectin-12 (human) in blood to amount of neuroblastoma suppressor of tumorigenicity 1 (human) in blood.