Ontology of Biological Attributes id OBA_2054406 (CDH6/NTRK2 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of cadherin-6 (human) in blood to amount of BDNF/NT-3 growth factors receptor (human) in blood. Also known as: the ratio of amount of cadherin-6 (human) in blood to amount of BDNF/NT-3 growth factors receptor (human) in blood.