GP6/SKAP2 protein level ratio in blood (Ontology of Biological Attributes term OBA_2053431) can be described as follows. A compound attribute that is the ratio of amount of platelet glycoprotein VI (human) in blood to amount of Src kinase-associated phosphoprotein 2 (human) in blood. Also known as: the ratio of amount of platelet glycoprotein VI (human) in blood to amount of Src kinase-associated phosphoprotein 2 (human) in blood.