patients treated in a randomized controlled comparison of management of benign gastric ulcer of the body of the stomach , comprising 50 patients treated by billroth i partial gastrectomy and 50 patients treated by vagotomy and pyloroplasty and biopsy of the ulcer , were followed up for about five years ( range one and a half to eight and a half years ) .
C0038351
stomach
C0192440
billroth i partial gastrectomy