Dohjima, Taikoh, Yasuhiko Sumi, Takatoshi Ohno, Hiroshi Sumi, and Katsuji Shimizu. “The Dangers of Snowboarding: A 9-Year Prospective Comparison of Snowboarding and Skiing Injuries”. Acta Orthopaedica 72, no. 6 (January 1, 2001): 657–660. Accessed July 22, 2026. https://actaorthop.org/actao/article/view/20125.