RT Journal Article SR Electronic T1 Sententiæ Vagæ JF Journal of the Royal Army Medical Corps JO J R Army Med Corps FD British Medical Journal Publishing Group SP 349 OP 356 DO 10.1136/jramc-41-05-03 VO 41 IS 5 A1 M. B. H. Ritchie YR 1923 UL http://militaryhealth.bmj.com/content/41/5/349.abstract AB