CLEC14A/PTPRS protein level ratio in blood (OBA_2054979, an Ontology of Biological Attributes id) can be described as follows. A compound attribute that is the ratio of amount of C-type lectin domain family 14 member A (human) in blood to amount of receptor-type tyrosine-protein phosphatase S (human) in blood. Also known as: the ratio of amount of C-type lectin domain family 14 member A (human) in blood to amount of receptor-type tyrosine-protein phosphatase S (human) in blood.