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Ajiki W, Tsukuma H, Oshima A; Research Group for Population-based Cancer Registration in Japan.Ajiki W, et al. Among authors: tsukuma h.Jpn J Clin Oncol. 2004 Jun;34(6):352-6. doi: 10.1093/jjco/hyh056.Jpn J Clin Oncol. 2004.PMID: 15333689No abstract available.