CD79B/TNFRSF4 protein level ratio in blood (Ontology of Biological Attributes entry OBA_2053374) can be described as follows. A compound attribute that is the ratio of amount of B-cell antigen receptor complex-associated protein beta chain (human) in blood to amount of tumor necrosis factor receptor superfamily member 4 (human) in blood. Also known as: the ratio of amount of B-cell antigen receptor complex-associated protein beta chain (human) in blood to amount of tumor necrosis factor receptor superfamily member 4 (human) in blood.