A compound attribute that is the ratio of amount of TGF-beta receptor type-2 (human) in blood to amount of tumor necrosis factor receptor superfamily member 19 (human) in blood. The trait is TGFBR2/TNFRSF19 protein level ratio in blood (OBA_2053046, an Ontology of Biological Attributes id). Also known as: the ratio of amount of TGF-beta receptor type-2 (human) in blood to amount of tumor necrosis factor receptor superfamily member 19 (human) in blood.