anatomical entity attribute TNFRSF13B/TNFRSF13C protein level ratio in blood true https://orcid.org/0000-0001-6757-4744 the ratio of amount of tumor necrosis factor receptor superfamily member 13B (human) in blood to amount of tumor necrosis factor receptor superfamily member 13C (human) in blood PMID:38412862 A compound attribute that is the ratio of amount of tumor necrosis factor receptor superfamily member 13B (human) in blood to amount of tumor necrosis factor receptor superfamily member 13C (human) in blood. protein measurement