RT Journal Article SR Electronic T1 Journals Received JF Journal of the Royal Army Medical Corps JO J R Army Med Corps FD British Medical Journal Publishing Group SP 259 OP 259 DO 10.1136/jramc-111-01-56 VO 111 IS 1 YR 1965 UL http://militaryhealth.bmj.com/content/111/1/259.abstract AB