EPHA1/OXT protein level ratio in blood (Ontology of Biological Attributes entry OBA_2054721) can be described as follows. A compound attribute that is the ratio of amount of ephrin type-A receptor 1 (human) in blood to amount of oxytocin-neurophysin 1 (human) in blood. Also known as: the ratio of amount of ephrin type-A receptor 1 (human) in blood to amount of oxytocin-neurophysin 1 (human) in blood.