DPP7/VSIR protein level ratio in blood (Ontology of Biological Attributes entry OBA_2053185) can be described as follows. A compound attribute that is the ratio of amount of dipeptidyl peptidase 2 (human) in blood to amount of V-type immunoglobulin domain-containing suppressor of T-cell activation (human) in blood. Also known as: the ratio of amount of dipeptidyl peptidase 2 (human) in blood to amount of V-type immunoglobulin domain-containing suppressor of T-cell activation (human) in blood.