MAX/TDRKH protein level ratio in blood (OBA_2053787, an Ontology of Biological Attributes entry) can be described as follows. A compound attribute that is the ratio of amount of protein max (human) in blood to amount of tudor and KH domain-containing protein (human) in blood. Also known as: the ratio of amount of protein max (human) in blood to amount of tudor and KH domain-containing protein (human) in blood.