OBA_2055709 (SRC/STAT5B protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of proto-oncogene tyrosine-protein kinase Src (human) in blood to amount of signal transducer and activator of transcription 5B (human) in blood. Also known as: the ratio of amount of proto-oncogene tyrosine-protein kinase Src (human) in blood to amount of signal transducer and activator of transcription 5B (human) in blood.