1. Peptic ulcer in Assam;Malhotra;Gut,1964
2. Epidermiological study of peptic ulcer in the South of India. Observations from Madras on the changing incidence of peptic ulcer with special reference to causation;Malhotra;Gut,1967
3. Observations from New South Wales on the changing incidence of gastric ulcer in Australia;Billington;Gut,1965
4. Mortality for gastric and duodenal ulcer in countries and its geographical correlation to mortality for gastric and intestinal cancer;Segi;Schweiz A. Allg Path,1959
5. Modern Trends in Gastro-enterology;Watkinson,1961