- Association of NOD2 (CARD 15) genotype with clinical course of Crohn's disease: a cohort study. Hampe, J., Grebe, J., Nikolaus, S., Solberg, C., Croucher, P.J., Mascheretti, S., Jahnsen, J., Moum, B., Klump, B., Krawczak, M., Mirza, M.M., Foelsch, U.R., Vatn, M., Schreiber, S. Lancet (2002)