Ontology of Biological Attributes term OBA_2054747 (EREG/ITGB1BP2 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of proepiregulin (human) in blood to amount of integrin beta-1-binding protein 2 (human) in blood. Also known as: the ratio of amount of proepiregulin (human) in blood to amount of integrin beta-1-binding protein 2 (human) in blood.