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World J Gastroenterol. Aug 7, 2012; 18(29): 3800-3805
Published online Aug 7, 2012. doi: 10.3748/wjg.v18.i29.3800
Methodology for high-quality studies on course and prognosis of inflammatory bowel disease
Irene Modesto, Giovanni Perricone, Ambrogio Orlando, Mario Cottone
Irene Modesto, Giovanni Perricone, Ambrogio Orlando, Mario Cottone, Division of Internal Medicine, “Villa Sofia-Cervello” Hospital, University of Palermo, 790146 Palermo, Italy
Author contributions: Modesto I, Perricone G and Orlando A reviewed the literature and wrote the paper; Cottone M revised the article critically.
Correspondence to: Mario Cottone, Professor, Division of Internal Medicine, “Villa Sofia-Cervello” Hospital, University of Palermo, Via Trabucco 180, 790146 Palermo, Italy. dickens@tin.it
Telephone: +39-9-16802746 Fax: +39-9-17305218
Received: February 6, 2012
Revised: May 10, 2012
Accepted: May 26, 2012
Published online: August 7, 2012
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