4Fletcher J,Wirz A,Young J,et al.Unbuffered highly acidic gastric juice exists at the gastroesophageal junction after a meal.Gastroenterology,2001,121:775-783.
5Vo L,Simonian HP,Doma S,et al.Effect of meal composition on postprandial regional intragastric buffering.Gastroenterology,2004,126:A98.
6Shapiro M,Green C,Faybush EM,et al.The extent of oesophageal acid exposure overlap among the different gastrooesophageal reflux disease groups.Aliment Pharmacol Ther,2006,23:321-329.
7Wiener GJ,Morgan TM,Copper JB,et al.Ambulatory 24-hour esophageal pH monitoring.Reproducibility and variability of pH parameters.Dig Dis Sci,1988,33:1127-1133.
8Clarke AT,Wirz AA,Manning JJ,et al.Severe reflux disease is associated with an enlarged unbuffered proximal gastric acid pocket.Gut,2008,57:292-297.
9Savarino E,Tutuian R,Zentilin P,et al.Characteristics of reflux episodes and symptom association in patients with erosive esophagitis and nonerosive reflux disease:study using combined impedance-pH off therapy.Am J Gastroenterol,2010,105:1053-1061.
10Vo L,Simonian HP,Doma S,et al.The effect of rabeprazole on regional gastric acidity and the postprandial cardia/gastro-oesophageal junction acid layer in normal subjects:a randomized,double-blind,placebo-controlled study.Aliment Pharmacol Ther,2005,21:1321-1330.
