GZMA/GZMH protein level ratio in blood (Ontology of Biological Attributes identifier OBA_2053116) can be described as follows. A compound attribute that is the ratio of amount of granzyme A (human) in blood to amount of granzyme H (human) in blood. Also known as: the ratio of amount of granzyme A (human) in blood to amount of granzyme H (human) in blood.