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Hamashima C; Systematic Review Group and Guideline Development Group for Gastric Cancer Screening Guidelines.Hamashima C, et al.Jpn J Clin Oncol. 2018 Jul 1;48(7):673-683. doi: 10.1093/jjco/hyy077.Jpn J Clin Oncol. 2018.PMID: 29889263