Ontology of Biological Attributes identifier OBA_2054576 (MMP8/TGFA 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 protransforming growth factor alpha (human) in blood. Also known as: the ratio of amount of neutrophil collagenase (human) in blood to amount of protransforming growth factor alpha (human) in blood.