1. A pilot study examining injuries in elite Gaelic footballers;Cromwell;Br J Sports Med,2000
2. Injury risk associated with ground hardness in junior cricket;Twomey;JSAMS,2012
3. Severe injuries in football players. Influencing factors;Chomiak;Am J Sports Med,2000
4. High school football injuries: field conditions and other factors;Andresen;Wis Med J,1989
5. The AFL penetrometer study: work in progress;Orchard;JSAMS,2001