Lofgren B, Adelborg K. Anaesthesia 2014; 69(8): 929-30
A response to the two concerns raised by McKenna (Anaesthesia 2014; 69(8): 928) and Baker (Anaesthesia 2014; 69(8): 928-9), acknowledging that more studies are needed and that there is currently “insufficient evidence” to recommend any specific ventilation technique among lifeguards. They also reiterate their study conclusions.
Link to abstract