RT Journal Article SR Electronic T1 Confidential Reports JF Journal of the Royal Army Medical Corps JO J R Army Med Corps FD British Medical Journal Publishing Group SP 372 OP 373 DO 10.1136/jramc-43-05-05 VO 43 IS 5 A1 Pollock, C. E. YR 1924 UL http://militaryhealth.bmj.com/content/43/5/372.abstract AB