RT Journal Article SR Electronic T1 National Health Services JF Journal of the Royal Army Medical Corps JO J R Army Med Corps FD British Medical Journal Publishing Group SP 92 OP 95 DO 10.1136/jramc-35-01-11 VO 35 IS 1 YR 1920 UL http://militaryhealth.bmj.com/content/35/1/92.abstract AB