BOSMIA, A.; GRIESSENAUER, C. J.; TUBBS, R. S. Yubitsume: ritualistic self-amputation of proximal digits Among the yakuza. Journal of Injury and Violence Research, [S. l.], v. 6, n. 2, p. 54–56, 2013. Disponível em: https://jivresearch.org/jivr/index.php/jivr/article/view/489. Acesso em: 23 jun. 2026.