ITGAV/ITGB5 protein level ratio in blood (OBA_2055464, an Ontology of Biological Attributes entry) can be described as follows. A compound attribute that is the ratio of amount of integrin alpha-V (human) in blood to amount of integrin beta-5 (human) in blood. Also known as: the ratio of amount of integrin alpha-V (human) in blood to amount of integrin beta-5 (human) in blood.