The Cochrane Library Burry, L, Dryden, L, Rose, L, Williamson, D R, Adhikari, N K J, Turgeon, A F, Golan, E, Dewhurst, N, Fergusson, D A, Hutton, B & Mehta, S 2017, ' Sedation for moderate-to-severe traumatic brain injury in adults : A network meta-analysis ', Cochrane Database of Systematic Reviews, vol. 2017, no. 4 . https://doi.org/10.1002/14651858.CD012639