Thio-Purine Methyl Transferase Gene Single Nucleotide Polymorphisms in Inflammatory Bowel Disease Authors K.H. Katsanos, Séverine Vermeire, Karolien Claes , Nele Van Schuerbeek, Gert Van Assche, P. Rutgeerts, E.V. Tsianos. PDF Issue Volume 19, No 1 (2006) Section Editorial (by invitation only)