Objective Assessment of Aerophagia During Meals in Normal Subjects and Patients With Post-Prandial Bloating and Belching - Woodland, Philip; Gill, Ravinder S.; Jafari, Jafar; Bravi, Ivana; Shimono, Ryuichi; Fikree, Asma; Hayat, Jamal; Marunda, Tatenda; Bredenoord, Albert J.; Yazaki, Etsuro; Sifrim, Daniel (Gastroenterology (New York, N.Y. 1943), 2011)