BSG/LAMP3 protein level ratio in blood (Ontology of Biological Attributes id OBA_2053307) can be described as follows. A compound attribute that is the ratio of amount of basigin (human) in blood to amount of lysosome-associated membrane glycoprotein 3 (human) in blood. Also known as: the ratio of amount of basigin (human) in blood to amount of lysosome-associated membrane glycoprotein 3 (human) in blood.