IL5RA/TNFRSF13B protein level ratio in blood (OBA_2054434) can be described as follows. A compound attribute that is the ratio of amount of interleukin-5 receptor subunit alpha (human) in blood to amount of tumor necrosis factor receptor superfamily member 13B (human) in blood. Also known as: the ratio of amount of interleukin-5 receptor subunit alpha (human) in blood to amount of tumor necrosis factor receptor superfamily member 13B (human) in blood.