[1]
D. G. DUMAN, F. EREN, E. G. YEĞİN, A. İKİNCİ, and C. YEĞEN, “Synchronous appearance of gastrointestinal stromal tumor and neuroendocrine tumor in stomach: Review of the literature and management strategies”, Turkish Journal of Gastroenterology, vol. 23, no. 3, pp. 258–261, Jan. 2012.