CD79B/TNFRSF13B protein level ratio in blood (Ontology of Biological Attributes term OBA_2053373) 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 13B (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 13B (human) in blood.