A compound attribute that is the ratio of amount of SLAM family member 5 (human) in blood to amount of trem-like transcript 2 protein (human) in blood. The trait is Ontology of Biological Attributes id OBA_2053390 (CD84/TREML2 protein level ratio in blood). Also known as: the ratio of amount of SLAM family member 5 (human) in blood to amount of trem-like transcript 2 protein (human) in blood.