van den Berg A P, van Son W J, Haagsma E B, The T H, Slooff M J, de Leij L M
Department of Gastroenterology and Hepatology, University Hospital, Groningen, The Netherlands.
Transplant Proc. 2001 Feb-Mar;33(1-2):1076-7. doi: 10.1016/s0041-1345(00)02422-2.