A compound attribute that is the ratio of amount of collagen alpha-3(VI) chain (human) in blood to amount of mimecan (human) in blood. The trait is Ontology of Biological Attributes term OBA_2053804 (COL6A3/OGN protein level ratio in blood). Also known as: the ratio of amount of collagen alpha-3(VI) chain (human) in blood to amount of mimecan (human) in blood.