A compound attribute that is the ratio of amount of kallikrein-8 (human) in blood to amount of lymphocyte antigen 6D (human) in blood. The trait is Ontology of Biological Attributes entry OBA_2055511 (KLK8/LY6D protein level ratio in blood). Also known as: the ratio of amount of kallikrein-8 (human) in blood to amount of lymphocyte antigen 6D (human) in blood.