Harimoto N, Hoshino K, Muranushi R, Hagiwara K, Yamanaka T, Ishii N, Tsukagoshi M, Igarashi T, Tanaka H, Watanabe A, Kubo N, Araki K, Hosouchi Y, Suzuki H, Arakawa K, Hirai K, Fukazawa T, Ikota H, Shirabe K. Significance of Lymph Node Metastasis in Resectable Well-differentiated Pancreatic Neuroendocrine Tumor. Pancreas. 48(7): 943-947, 2019.