TY - JOUR TI - Segmental Resection of the Third Portion of the Duodenum for a Gastrointestinal Stromal Tumor: a Case Report AU - Özer, M.T. AU - Demirbaş, S. AU - Harlak, A. AU - Eryılmaz, M. AU - Arslan, İ. AU - Tufan, T. JO - Journal of Clinical Practice and Research PY - 2009 VL - 31 SP - 83 EP - 86 DO - ER -