L. Brand

The importance of hiatal hernia in reflux esophagitis compared with lower esophageal sphincter pressure or smoking.

G. Chejfec, S. O'connell, S. Sontag, 1991, Journal of clinical gastroenterology.

Comparison of endoscopic ultrasound-guided fine needle aspiration for focal pancreatic lesions in patients with normal parenchyma and chronic pancreatitis.

Christoph Bobrowski, Frank Thonke, Nib Soehendra, 2002 .

Comparison of endoscopic ultrasound-guided fine needle aspiration for focal pancreatic lesions in patients with normal parenchyma and chronic pancreatitis

Christoph Bobrowski, Frank Thonke, Nib Soehendra, 2002, American Journal of Gastroenterology.

Prevalence of oesophagitis in asthmatics.

G. Chejfec, H. Greenlee, S. O'connell, 1992, Gut.

High grade dysplasia still is not an indication for surgery in patients with Barrett's esophagus: An update

G. Chejfec, S. O'connell, S. Sontag, 1998 .