1. Hassan, M.A., Gardham, J.R., Hobsley, M.: Evaluation of errors in gastric secretion. Br. J. Surg.56:384, 1969
2. Bruce, J., Card, W.I., Marks, I.N., Sircus, W.: The rationale of selective surgery in the treatment of duodenal ulcer. J. R. Coll. Surg. Edinb.4:85, 1959
3. Scobie, B.A., Rovelstad, R.A.: Anastomotic ulcersignificance of the augmented histamine test. Gastroenterology48:318, 1965
4. Baron, J.H.: The clinical use of gastric function tests. Scan. J. Gastroenterol.5 [Suppl. 6]:9, 1970