Ontology of Biological Attributes entry OBA_2055053 (DAG1/HBEGF protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of dystroglycan 1 (human) in blood to amount of proheparin-binding EGF-like growth factor (human) in blood. Also known as: the ratio of amount of dystroglycan 1 (human) in blood to amount of proheparin-binding EGF-like growth factor (human) in blood.