9Nowain A, Bhakta H, Pais S, et al. Gastrointestinal stromal tumors: clinical profile, pathogenesis, treatment strategies and prognosis. J Gastroenterol Hepatol, 2005, 20:818-824.
10Miettinen M, Kopczynski J, Makhlouf HR, et al. Gastrointestinal stromal tumors, intramural leiomyomas, and leiomyosarcomas in the duodenum: a chnicopathologic, immunohistochemical, and molecular genetic study of 167 cases. Am J Surg Pathol, 2003, 27: 625-641.