Sartipy Ulrik, Holzmann Martin J, Hjalgrim Henrik, Edgren Gustaf
Department of Cardiothoracic Surgery and Anesthesiology, Karolinska University Hospital, Stockholm, Sweden.
Department of Emergency Medicine, Karolinska University Hospital, Stockholm, Sweden.
JAMA. 2015 Oct 20;314(15):1641-3. doi: 10.1001/jama.2015.8690.