RT Journal Article SR Electronic T1 Managing post laparotomy pain in a contingency setting: the utility of rectus sheath catheters JF Journal of the Royal Army Medical Corps JO J R Army Med Corps FD British Medical Journal Publishing Group SP 281 OP 282 DO 10.1136/jramc-2017-000808 VO 164 IS 4 A1 William Buxton A1 D Hunt A1 P Joshi YR 2018 UL http://militaryhealth.bmj.com/content/164/4/281.abstract AB