“…The most relevant to the present study is the detailed and extensive study conducted by the Veterans Administration (Littman, 1971;Hanscom and Buchman, 1971; Sun and Stempien, 1971 Gott, Shapiro, and Kelty (1954) observed 86 patients whose ulcers had healed medically; two to five years later 14 had recurred. Baume, Hunt, and Piper (1972) observed a recurrence rate of 77 % after initial complete healing within two years in a placebotreated group of gastric ulcer patients. Dworken, Roth, Duber, and Berger (1957) observed a recurrence rate of 80% in 135 patients followed for 3 9 years after healing of the ulcer.…”