A compound attribute that is the ratio of amount of bis(5'-adenosyl)-triphosphatase (human) in blood to amount of parkinson disease protein 7 (human) in blood. The trait is Ontology of Biological Attributes entry OBA_2055397 (FHIT/PARK7 protein level ratio in blood). Also known as: the ratio of amount of bis(5'-adenosyl)-triphosphatase (human) in blood to amount of parkinson disease protein 7 (human) in blood.