J. A. Hagen
About
J. A. Hagen has authored 24 papers that have received a total of 957 indexed citations.
This includes 21 papers in Surgery, 9 papers in Pulmonary and Respiratory Medicine and 8 papers in Gastroenterology. The topics of these papers are Esophageal and GI Pathology (15 papers), Esophageal Cancer Research and Treatment (13 papers) and Gastroesophageal reflux and treatments (8 papers). J. A. Hagen is often cited by papers focused on Esophageal and GI Pathology (15 papers), Esophageal Cancer Research and Treatment (13 papers) and Gastroesophageal reflux and treatments (8 papers) and collaborates with scholars based in United States, Canada and Germany. J. A. Hagen's co-authors include Tom R. DeMeester, Cedric G. Bremner, Steven R. DeMeester, Jeffrey H. Peters and John C. Lipham and has published in prestigious journals such as Gastroenterology, Annals of Surgery and Journal of Thoracic and Cardiovascular Surgery
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