Matsuzaka, M. , , Tanaka, R. , and Sasaki, Y. . "High Mortality Rate of Stomach Cancer Caused Not by High Incidence but Delays in Diagnosis in Aomori Prefecture, Japan", Asian Pacific Journal of Cancer Prevention, 17, 10, 2016, 4723-4727. doi: 10.22034/APJCP.2016.17.10.4723