1. Gastro-oesophageal reflux monitoring: review and consensus report on detection and definitions of acid, non-acid, and gas reflux;Sifrim;Gut 53(7),2004
2. Aerophagia, gastric and supragastric belching:a study using intraluminal electrical impedance monitoring;Bredenoord;Gut 53(11),2004
3. Baclofen Improves Symptoms and Reduces Postprandial Flow Events in Patients With Rumination and Supragastric Belching;Blondeau;Clin Gastroenterol Hepatol 10(4),2012
4. Psychological factors affect the frequency of belching in patients with aerophagia;Bredenoord;Am J Gastroenterol 101(12),2006
5. Karamanolis G, Triantafyllou K, Tsiamoulos Z, Polymeros D, Kalli T, et al. (2010) Effect of sleep on excessive belching A 24-Hour Impedance-pH Study. J Clin Gastroenterol 44(5): 332-324.