Heterogeneity of symptom pattern, psychosocial factors, and pathophysiological mechanisms in severe functional dyspepsia☆☆☆★
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☆ Address requests for reprints to: Jan Tack, M.D., Ph.D., Department of Internal Medicine, Division of Gastroenterology, University Hospital Gasthuisberg, Herestraat 49, B-3000 Leuven, Belgium. e-mail: Jan.Tack@med.kuleuven.ac.be; fax: (32) 16 34 44 19.
☆☆ The authors thank R. Vos, A. De Greef, and K. Luyckx for excellent technical support.
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PII: S0016-5085(03)00069-6
© 2003 American Gastroenterological Association. Published by Elsevier Inc. All rights reserved.

