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HARVARD Citation
Kanno, T. et al. (2016). Helicobacter pylori‐negative and non‐steroidal anti‐inflammatory drugs‐negative idiopathic peptic ulcers show refractoriness and high recurrence incidence: Multicenter follow‐up study of peptic ulcers in Japan. Digestive endoscopy. 28 (5), pp. 556-563. [Online].