TY - JOUR AN - 3 AU - Wakai,T. AU - Kanda,T. AU - Hirota,S. AU - Ohashi,A. AU - Shirai,Y. AU - Hatakeyama,K. TI - Late resistance to imatinib therapy in a metastatic gastrointestinal stromal tumour is associated with a second KIT mutation. JO - Br J Cancer PY - 2004 VL - 90 SP - 2059-2061 M2 - 2059 ER -