Investigators Thomas Rossi, M.D. Interest: Pancreatic Function, Pancreatitis, Eosinophilic Esophagitis Almadhoun OF, Katzman PJ, Rossi T. "Collagenous colitis associated with protein losing enteropathy in a toddler." Case reports in gastrointestinal medicine. 2014 2014:209624. Epub 2014 Aug 20. Mallah, HS; Brown, MR; Rossi, TM; Block, RC. "Parenteral Fish Oil Associated Burr Cell Anemia". Journal of Pediatrics. 2010; 156(2): 324-325. Qualia, CM; Bladwin, CD; Rossi, TM; Wang, H; Brown, MR. "Pediatric Gastroenterology Fellows, Class of 2007: How well are they prepared for the future?". Journal of Pediatric Gastroenterology and Nutrition. 2008; 47(3): 327-33. Nieves DS, Phipps R, Pullock ST, Ochs HD, Scott G, Ryan C, Robavachi J, Rossi T, Goldsmith L: Dermatologic immunologic findings in the Immunodysregulation, Polyendocrinopathy, Enteropathy, and X-Linked Syndrome. Archives of Dermatology, 140(4) 466-72, 2004. Moroz S, Hadorn B, Rossi TM, Haworth J: Celiac Disease in a Patient with Congenital Deficiency of Intestinal Enteropeptidase. American Journal of Gastroenterology, 96 (7): 2251-2254, 2001. Marilyn Brown, M.D. Interest: Chronic Inflammatory Bowel Disease, Eosinophilic Esophagitis Teitelbaum DH, Brown MR, Llanos A et al. Use of Cholecystokinin-Octapeptide for the prevention of parenteral nutrition-associated liver disease. Pediatrics, 115(5):332-40, May, 2005. Teitelbaum DH, Brown MR, Llanos, et al. Parenteral nutrition-associated cholestasis in neonates: multivariate analysis of the potential protective effect of taurine. J Parenteral and Enteral Nutrition 29(5):337-344, 2005. Korones DN, Brown MR, Palis J. Liver function tests are not always tests of liver function. American Journal of Hematology ;66(1):46-8, Jan 2001. Katzman P, Villalona J, Rossi TR, Brown, MR. Jejunal Atresia and Cystic Fibrosis in a. Newborn Male Infant. Submitted to Archives of Pathology and Laboratory Medicine.