BCL2L11/ITGA6 protein level ratio in blood (Ontology of Biological Attributes identifier OBA_2053332) can be described as follows. A compound attribute that is the ratio of amount of Bcl-2-like protein 11 (human) in blood to amount of integrin alpha-6 (human) in blood. Also known as: the ratio of amount of Bcl-2-like protein 11 (human) in blood to amount of integrin alpha-6 (human) in blood.