OBA_2052995 (TNFSF12/TNFSF13 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of tumor necrosis factor ligand superfamily member 12 (human) in blood to amount of tumor necrosis factor ligand superfamily member 13 isoforms alpha/beta/gamma/4/5 (human) in blood. Also known as: the ratio of amount of tumor necrosis factor ligand superfamily member 12 (human) in blood to amount of tumor necrosis factor ligand superfamily member 13 isoforms alpha/beta/gamma/4/5 (human) in blood.