1. 1) Otsuki M, Hirota M, Arata S, Koizumi M, Kawa K, Kamisawa T, Takeda K, Mayumi T, Kitagawa M, Ito T, Inui K, Shimosegawa T, Tanaka S, Kataoka K, Saisho H, Okazaki K, Kuroda Y, Sawabu N and Takeyama Y: Consensus of primary care in acute pancreatitis in Japan. World J Gastroenterol 12: 3314-3323 (2006)
2. 2) Banks P: Acute and chronic pancreatitis. In: Sleisenger and Fordtran's Gastrointestinal and Liver Disease: Pathophysiology, Diagnosis, Management. 6th ed, Feldman M, Sleisenger MH and Scharschmidt BF (Eds) , Saunders, Philadelphia, pp 809-838 (1998)
3. 3) Kingsnorth A: Role of cytokines and their inhibitors in acute pancreatitis. Gut 40: 1-4 (1997)
4. 4) Gaginella TS and Bauman JH: Ranitidine hydrochloride. Ann Pharmacother 17: 873-885 (1983)
5. 5) Nielsen HJ, Nielsen H, Jensen S and Moesgaard F: Ranitidine improves postoperative monocytes and neutrophil function. Arch Surg 129: 309-315 (1994)