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©2012 Baishideng Publishing Group Co., Limited. All rights reserved.
World J Gastroenterol. Apr 21, 2012; 18(15): 1723-1731
Published online Apr 21, 2012. doi: 10.3748/wjg.v18.i15.1723
Published online Apr 21, 2012. doi: 10.3748/wjg.v18.i15.1723
Epidemiology and clinical course of Crohn's disease: Results from observational studies
Øistein Hovde, Department of Internal Medicine/Gastroenterology, Innlandet Hospital Trust, 2819 Gjøvik, Oppland, Norway
Bjørn A Moum, Department of Gastroenterology, Oslo University Hospital and University of Oslo, 0514 Oslo, Norway
Author contributions: Both authors contributed equally to the design, drafting of the article, and to the final approval/preparation.
Correspondence to: Øistein Hovde, MD, Gastroenterological Consultant, Department of Internal Medicine/Gastroenterology, Innlandet Hospital Trust, 2819 Gjøvik, Oppland, Norway. oistein.hovde@sykehuset-innlandet.no
Telephone: +47-61157002 Fax: +47-61157439
Received: August 4, 2011
Revised: January 12, 2012
Accepted: January 19, 2012
Published online: April 21, 2012
Revised: January 12, 2012
Accepted: January 19, 2012
Published online: April 21, 2012
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