Familial cases of glomerulonephritis complicating Crohn's disease - Kallel, L.; Nijaa, N.; Fatma, L. Ben; Rais, L.; Mustapha, N. Ben; Matri, S.; Karoui, S.; Fekih, M.; Boubaker, J.; Moussa, F. Ben; Filali, A. (Journal of Crohn's & Colitis, 2009)