Crohn's disease of the upper gastrointestinal tract

Netherlands Journal of Medicine - Tập 50 - Trang S2-S7 - 1997
M.J Wagtmans1, R.A van Hogezand1, G Griffioen1, H.W Verspaget1, C.B.H.W Lamers1
1Department of Gastroenterology and Hepatology, University Hospital Leiden, Building 1, C4-P015, P.O. Box 9600, 2300 RC Leiden, Netherlands