FLI1/IPCEF1 protein level ratio in blood (OBA_2055251) can be described as follows. A compound attribute that is the ratio of amount of Friend leukemia integration 1 transcription factor (human) in blood to amount of interactor protein for cytohesin exchange factors 1 (human) in blood. Also known as: the ratio of amount of Friend leukemia integration 1 transcription factor (human) in blood to amount of interactor protein for cytohesin exchange factors 1 (human) in blood.