the binding of [ 3h ] somatostatin in both the frontal cortex and cerebellar cortex demonstrated pharmacological specificity , since somatostatin-28 , but not somatostatin-28 ( 1-12 ) or des aa1,2,4,5,12,13 , d-trp8-somatostatin , competed for the binding sites .
C0074854
somatostatin-28
C0037659
somatostatin