Joossens Sofie, Daperno Marco, Shums Zakera, Van Steen Kristel, Goeken James A, Trapani Claudio, Norman Gary L, Godefridis Godelieve, Claessens Greet, Pera Angelo, Pierik Marie, Vermeire Severine, Rutgeerts Paul, Bossuyt Xavier
Department of Gastroenterology, University Hospital Gasthuisberg, KULeuven, Leuven, Belgium.
Clin Chem. 2004 Aug;50(8):1422-5. doi: 10.1373/clinchem.2004.032318.