Mechanical versus manual chest compressions in the treatment of in-hospital cardiac arrest patients in a non-shockable rhythm: a randomised controlled feasibility trial (COMPRESS-RCT). - Couper K; Quinn T; Lall R; Devrell A; Orriss B; Seers K; Yeung J; Perkins GD (Scandinavian journal of trauma, resuscitation and emergency medicine, 2018)