SPARC/VEGFC protein level ratio in blood (OBA_2055701, an Ontology of Biological Attributes id) can be described as follows. A compound attribute that is the ratio of amount of SPARC protein (human) in blood to amount of vascular endothelial growth factor C (human) in blood. Also known as: the ratio of amount of SPARC protein (human) in blood to amount of vascular endothelial growth factor C (human) in blood.