Bere, Tone; Flørenes, Tonje Wåle; Krosshaug, Tron; Koga, Hideyuki; Nordsletten, Lars; Irving, Chris; Müller Erich; Reid, Robert; Senner, Veit; Bahr, Roald. Mechanisms of anterior cruciate ligament injury in World Cup alpine skiing: a systematic video analysis of 20 cases. American Journal of Sports Medicine 2011: Published Apr 25.