GrayG. R.MackenzieI.SmithI. S.CreanG. P.GillespieG. (1977). Oral Cimetidine in severe duodenal ulceration. Lancet, 1, 4
2.
SpenceR. W.CelestinL. R.McCormickD.A. (1977). Effect of one year's treatment with Cimetidine on parietal cell mass in duodenal ulcer patients. Communication to British Society of Gastroenterology, Cambridge, England. 2nd April 1977