Treatment inferred disease severity in Crohn's disease: evidence for a European gradient of disease course.
Wolters FL, Joling C, Russel MG, Sijbrandij J, De Bruin M, Odes S, Riis L, Munkholm P, Bodini P, Ryan B, O'Morain C, Mouzas IA, Tsianos E, Vermeire S, Monteiro E, Limonard C, Vatn M, Fornaciari G, Rodriguez D, Groot W, Moum B, Stockbrügger RW; European Collaborative Study Group On Inflammatory Bowel Disease (EC-IBD).
Wolters FL, et al.
Scand J Gastroenterol. 2007 Mar;42(3):333-44. doi: 10.1080/00365520600930750.
Scand J Gastroenterol. 2007.
PMID: 17354113