quantitative in vivo autoradiography was used to identify and compare the regional distribution of specific binding sites for blood-borne [ 125i-tyr11 ] somatostatin-14 ( s-14 section ) and [ leu8 , d-trp22-125i-tyr25 ] somatostatin-28 ( s-28 section ) in the rat brain .
C0037659
somatostatin-14
C0074854
somatostatin-28