CD27/CD79B protein level ratio in blood (OBA_2055384, an Ontology of Biological Attributes identifier) can be described as follows. A compound attribute that is the ratio of amount of CD27 antigen (human) in blood to amount of B-cell antigen receptor complex-associated protein beta chain (human) in blood. Also known as: the ratio of amount of CD27 antigen (human) in blood to amount of B-cell antigen receptor complex-associated protein beta chain (human) in blood.