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Guidelines for sites linking to mayoclinic.orgNational University of Ireland, Galway, Ireland
University of Iowa, Iowa City, IA
Professor of Medicine
Esophageal disease, achalasia, celiac disease
See a listing of publications on PubMed, a service of the National Library of medicine.
See a description of research activities.
Learn about treatment of diseases and becoming a patient. Read more about medical services.
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