in this study , the total immunoreactive gastrin and the different molecular forms of gastrin were measured in 16 patients with zes ( 11 with proved pancreatic gastrinoma , 2 with proved duodenal gastrinoma and 3 with uncertain tumour localization ) following bombesin infusion and following calcium infusion in 13 patients .
C0043515
zes
C1368066
pancreatic gastrinoma