1. Gastritis and duodenitis in relation to the ulcer problem; a study of 124 cases of partial gastrectomy;Aschner;Surg., Gynec. & Obst.,1933
2. Gastroscopic observations in duodenal ulcer;Carey;Journal—Lancet,1942
3. Frequencia de la gastritis en las úlceras gastroduodenales;Ceballos;Cong. argent. de cir.,1930
4. Gastroscopic findings in patients with duodenal ulcer;Christiansen;Am. J. M. Sci.,1940
5. The frequency of gastritis associated with duodenal ulcer;Church;Proc. Staff Meet., Mayo Clin.,1933