%0 Journal Article %T The Yearly Prevalence of Findings in Endoscopy of the Lower Part of the Gastrointestinal Tract %A R. J. L. F. Loffeld %A B. Liberov %A P. E. P. Dekkers %J ISRN Gastroenterology %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/527634 %U http://dx.doi.org/10.5402/2012/527634