basal gastrin concentrations and the response to grp were measured in seven patients after a whipple operation , in seven patients after antrectomy combined with selective gastric vagotomy and b i reconstruction , in seven patients operated on with antrectomy , selective gastric vagotomy , and roux-en-y reconstruction , and finally in seven patients after antrectomy , truncal vagotomy , and roux-en-y reconstruction .
C0038351
gastric
C0002804
roux-en-y