HPGDS/ITGAV protein level ratio in blood (OBA_2053074) can be described as follows. A compound attribute that is the ratio of amount of hematopoietic prostaglandin D synthase (human) in blood to amount of integrin alpha-V (human) in blood. Also known as: the ratio of amount of hematopoietic prostaglandin D synthase (human) in blood to amount of integrin alpha-V (human) in blood.