White S M, Griffiths R, Moppett I K
Brighton and Sussex University Hospitals NHS Trust, Brighton, East Sussex, UK.
Peterborough and Stamford Hospitals NHS Trust, Peterborough, UK.
Anaesthesia. 2016 Dec;71(12):1391-1395. doi: 10.1111/anae.13593. Epub 2016 Aug 8.