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[1] Kashiwagi S, Hayashi J, Ikematsu H, Nishigori S, Ishihara K, Kaji M. An outbreak of hepatitis B in members of a high school sumo wrestling club. JAMA. 1982. 248(2): 213-4.

[2] Bereket-Yucel S. Risk of hepatitis B infections in Olympic wrestling. Br J Sports Med. 2007. 41(5): 306-10; discussion 310.

[3] Komatsu H, Inui A, Sogo T, Tateno A, Shimokawa R, Fujisawa T. Tears from children with chronic hepatitis B virus (HBV) infection are infectious vehicles of HBV transmission: experimental transmission of HBV by tears, using mice with chimeric human livers. J Infect Dis. 2012. 206(4): 478-85.

[4] Komatsu H, Inui A, Murano T, Tsunoda T, Sogo T, Fujisawa T. Lack of infectivity of HBV in feces from patients with chronic hepatitis B virus infection, and infection using chimeric mice. BMC Res Notes. 2015. 8: 366.

[5] Kordi R, Neal K, Pourfathollah AA, Mansournia MA, Wallace WA. Risk of hepatitis B and C infections in Tehranian wrestlers. J Athl Train. 2011. 46(4): 445-50.