Effect of mattress deflection on CPR quality assessment for older children and adolescents.
Nishisaki A, Nysaether J, Sutton R, Maltese M, Niles D, Donoghue A, Bishnoi R, Helfaer M, Perkins GD, Berg R, Arbogast K, Nadkarni V. Effect of mattress deflection on CPR quality assessment for older children and adolescents. Resuscitation. 2009 May; 80(5):540-5.