RT Journal Article SR Electronic T1 Anaesthesia JF Journal of the Royal Army Medical Corps JO J R Army Med Corps FD British Medical Journal Publishing Group SP 63 OP 68 DO 10.1136/jramc-154-01-18 VO 154 IS 1 A1 Roberts, TN YR 2008 UL http://militaryhealth.bmj.com/content/154/1/63.abstract AB