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Acknowledgments
This study was supported by the National Cancer Center Research and Development Fund (23-A-31[toku] and 26-A-2; since 2011), a Grant-in-Aid for Cancer Research from the Ministry of Health, Labor, and Welfare of Japan (from 1989 to 2010), and a Grant-in-Aid for the Third-Term Comprehensive Ten-Year Strategy for Cancer Control from the Ministry of Health, Labor, and Welfare of Japan. We are indebted to the Aomori, Iwate, Ibaraki, Niigata, Osaka, Kochi, Nagasaki, and Okinawa Cancer Registries for providing their incidence data. We also appreciate all the members of the JPHC study.
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For the Japan Public Health Center–based Prospective Study Group.
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Ma, E., Sasazuki, S., Shimazu, T. et al. Reactive oxygen species and gastric cancer risk: a large nested case–control study in Japan. Eur J Epidemiol 30, 589–594 (2015). https://doi.org/10.1007/s10654-015-0025-6
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DOI: https://doi.org/10.1007/s10654-015-0025-6