189 The variability of carbohydrate antigen 19-9 (CA 19-9) levels in cystic fibrosis patients

188 Elongation of the small intestine (without histological changes) in young pigs with experimentally induced exocrine pancreatic insufficiency (EPI) − used as a model for children with EPI A. Moseler1, T. Schwarzmaier1, P.C. Gregory2, J. Kamphues3. 1University of Veterinary Medicine, Hannover, Institute for Animal Nutrition, Hannover, Germany; 2Abbott Laboratories (GmbH), Hannover, Germany; 3University of Veterinary Medicine, Hannover, Hannover, Germany