Anterior cruciate ligament injuries in elite and high school rugby players: a 11-year review? - Takazawa, Y.; Nagayama, M.; Ikeda, H.; Kawasaki, T.; Ishijima, M.; Saita, Y.; Kaneko, H.; Kobayashi, Y.; Hada, S.; Kaneko, K. (The Physician and Sportsmedicine, 2015)