3Armstrong D, Bennett JR, Blum AL, Dent J, De Dombal FT, Galmiche JP, Lundell L, Margulies M, Richter JE, Spechler SJ, Tytgat GN, Wallin L.The endoscopic assessment of esophagitis: a progress report on observer agreement. Gastroenterology, 1996, 111: 85～92.
4Martinez SD, Malagon IB, Garewal HS, Cui H,Fass R. Non-erosive reflux disease (NERD) - acid reflux and symptom patterns. Aliment Pharmacol Ther, 2003, 17: 537～545.
5Armstrong D, Vieth M, Fiocca R, Deprez P, Kuipers E, Holmquist L, Eklund S, Junghard O, Walan A, Norton B, Lindberg G. Are endoscopynegative GERD and reflux esophagitis different diseases? Baseline histology in GERD patients off-therapy - The CHEER study. Gastroenterology. 2003. 124: A416.
6Pehl C, Pfeiffer A, Waizenhoefer A, Wendl B,Schepp W. Effect of caloric density of a meal on lower oesophageal sphincter motility and gastrooesophageal reflux in healthy subjects. Aliment Pharmacol Ther, 2001, 15: 233～239.
7Diener U, Patti MG, Molena D, Fisichella PM,Way LW. Esophageal dysmotility and gastroesophageal reflux disease. J Gastrointest Surg,2001, 5: 260～265.
8Richter JE. H pylori: the bug is not all bad Gut,2001, 49: 319～320.
10Trudgill NJ, Riley SA. Transient lower esophageal sphincter relaxations are no more frequent in patients with gastroesophageal reflux disease than in asymptomatic volunteers. Am J Gastroenterol. 2001.96: 2569～2574.
