the reaction products were analyzed by gel chromatography , hplc as well as two different radioimmunoassay for tetradecapeptide somatostatin ( s-14 ) in which s-28 crossreacted either 100 % ( ria r149 ) or less than 0.001 % ( ria s39 ) .
C0037659
somatostatin
C0074854
s-28