EGLN1/NCF2 protein level ratio in blood (Ontology of Biological Attributes id OBA_2055612) can be described as follows. A compound attribute that is the ratio of amount of egl nine homolog 1 (human) in blood to amount of neutrophil cytosol factor 2 (human) in blood. Also known as: the ratio of amount of egl nine homolog 1 (human) in blood to amount of neutrophil cytosol factor 2 (human) in blood.