Journal Article A System for Registration and Classification of the Stomach Cancer for WHO International Reference Center Get access KEMPO TSUKAMOTO, M.D., KEMPO TSUKAMOTO, M.D. President 1National Cancer CenterTokyo, Japan Search for other works by this author on: Oxford Academic PubMed Google Scholar M. GAITÁN-YANGUAS, M.D. M. GAITÁN-YANGUAS, M.D. Director 2Instituto Nacional cle CancerologiaBogota, Colombia Search for other works by this author on: Oxford Academic PubMed Google Scholar Japanese Journal of Clinical Oncology, Volume 3, Issue 2, December 1973, Pages 117–128, https://doi.org/10.1093/oxfordjournals.jjco.a039828 Published: 01 December 1973 Article history Received: 28 March 1973 Published: 01 December 1973