Ontology of Biological Attributes id OBA_2054574 (MMP8/OLR1 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of neutrophil collagenase (human) in blood to amount of oxidized low-density lipoprotein receptor 1 (human) in blood. Also known as: the ratio of amount of neutrophil collagenase (human) in blood to amount of oxidized low-density lipoprotein receptor 1 (human) in blood.