Ringvold E-M, Bekkevold M, Bruun A-M G, Børke W B, Finjarn T J, Haugen A S, Isern E, Skjeflo G W, Ulvik A
Vestfold Hospital Trust, Tønsberg, Norway.
Haukeland University Hospital, Bergen, Norway.
Acta Anaesthesiol Scand. 2018 Mar;62(3):411-417. doi: 10.1111/aas.13066. Epub 2018 Jan 24.