A compound attribute that is the ratio of amount of tumor necrosis factor receptor superfamily member EDAR (human) in blood to amount of erbin (human) in blood. The trait is EDAR/ERBIN protein level ratio in blood (OBA_2055619, an Ontology of Biological Attributes id). Also known as: the ratio of amount of tumor necrosis factor receptor superfamily member EDAR (human) in blood to amount of erbin (human) in blood.