"Rolling Refreshers": a novel approach to maintain CPR psychomotor skill competence.
Niles D, Sutton RM, Donoghue A, Kalsi MS, Roberts K, Boyle L, Nishisaki A, Arbogast KB, Helfaer M, Nadkarni V. "Rolling Refreshers": a novel approach to maintain CPR psychomotor skill competence. Resuscitation. 2009 Aug; 80(8):909-12.