tokens: Higher fasting serum gastrin concentration ( 102 . 0 + / - 21 . 1 vs 63 . 3 + / - 8 . 3 ng . l - 1 ) , and greater postprandial gastrin release ( AUC0 - 120 : 16690 + / - 2648 vs 10654 + / - 1283 ng . l - 1 min ) were observed after VTP - HM than after VTP - Cas .