Yokota , T., Y. Kunii, S. Teshima, Y. Yamada, T. Saito, M. Takahashi, S. Kikuchi, and H. Yamauchi. “Clinicopathologic Prognostic Features in Patients With Gastric Cancer Associated With Esophageal or Duodenal Invasion”. Upsala Journal of Medical Sciences, vol. 104, no. 3, Jan. 2010, doi:10.3109/03009739909178965.