J. A. Hagen

Inflammation and Specialized Intestinal Metaplasia of Cardiac Mucosa Is a Manifestation of Gastroesophageal Reflux Disease

Stefan Öberg, Para Chandrasoma, J. A. Hagen et al. · Annals of Surgery · 1997 · 325 citations

Medicine, Cardiology, Pathology +12

A New Technique for Measurement of Pharyngeal pH: Normal Values and Discriminating pH Threshold

Shahin Ayazi, John C. Lipham, J. A. Hagen et al. · Journal of Gastrointestinal Surgery · 2009 · 191 citations

Medicine, Physiology, Biosensors +12

Risk factors and the prevalence of trocar site herniation after laparoscopic fundoplication

David J. Bowrey, Dennis Blom, Peter F. Crookes et al. · Surgical Endoscopy · 2001 · 147 citations

Medicine, Gynecology, Surgery +14

Can the combination of symptoms and endoscopy confirm the presence of gastroesophageal reflux disease?

Leben Tefera, Michael Fein, Manfred Ritter et al. · PubMed · 1997 · 90 citations

Medicine, Clinical Sciences, Internal Medicine +15

En bloc esophagectomy reduces local recurrence and improves survival compared with transhiatal resection after neoadjuvant therapy for esophageal adenocarcinoma

Christian Rizzetto, Steven R. DeMeester, J. A. Hagen et al. · Journal of Thoracic and Cardiovascular Surgery · 2008 · 86 citations · Full text

Medicine, Oncology, Surgery +12