Klaassen P, Batista-Lima F, Lee C, Preston SL, Dettmar P, Sifrim D. Topical protection of human esophageal mucosal integrity. Am J Physiol Gastrointest Liver Physiol 2015; epub ahead of print Apr 23
Klaassen P, Aktar R, Mthunzi E, Lee C, Peiris M, Preston SL, Blackshaw LA, Sifrim D. Distinct afferent innervation patterns within the human proximal and distal esophageal mucosa. Am J Physiol Gastrointest Liver Physiol 2015; epub ahead of print Jan 8
Koukias N, Klaassen P, Yazaki E, Sifrim D. Supragastric belching: prevalence and association with gastroesophageal reflux disease and esophageal hypomotility. J Neurogastro Motil, In press Apr 2015
Klaassen P, Sifrim D. GERD: Body position affects infant GER but not symptoms. Nat Rev Gastroenterol Hepatol 2014; 11: 397-8
Klaassen P, Sifrim D. Oesophageal mucosal mucosal barrier: a key factor in the pathophysiology of non-erosive reflux disease (NERD) and a potential target for treatment. Gut 2014; 63: 705-
Yazaki E, Klaassen P, Sifrim D. Uses of esophageal function testing: dysphagia. Gastrointest Endosc Clin N Am 2014; 24: 643-54
Reeves JW, Al-Zinaty M, Klaassen P, Sifrim D, Aziz Q, Birch MJ. Sensiprobe – a miniature thermal device incorporating Peltier technology as a diagnostic tool for studying human oesophageal sensitivity. Physiol Meas 2014; 7: 1265-1277
Klaassen P, Lee C, Duraisamy Y, Farré R, Dettmar P, Sifrim D. Assessment and protection of esophageal mucosal integrity in patients with heartburn without esophagitis. Am J Gastroenterol. 2013; 108: 535-43
Bravi I*, Klaassen P, Gill RS et al. Increased Prandial Air Swallowing and Postprandial Gas-Liquid Reflux Among Patients Refractory to Proton Pump Inhibitor Therapy. Clin Gastroenterol Hepatol 2013; 11: 784-9
Klaassen P, Al-Zinaty M, Yazaki E et al. In vivo evaluation of acid-induced changes in oesophageal mucosal integrity and sensitivity in non-erosive reflux disease. Gut 2013; 62: 1256-1261
Klaassen P, Sifrim D. Esophageal mucosal integrity in nonerosive reflux disease. J Clin Gastroenterol 2013; 48: 6-12