TY - JOUR AU - Quarrie, K L; Gianotti, S M; Hopkins, W G; Hume, P A TI - Effect of nationwide injury prevention program on serious spinal injuries in New Zealand rugby union: ecological study JO - Br J Med VL - 334 PY - 2007 DO - 10.1136/bmj.39185.605914.AE SP - 1150 EP - 1153 ER -