RT Journal Article SR Electronic T1 A Visit to the Roman Wall JF Journal of the Royal Army Medical Corps JO J R Army Med Corps FD British Medical Journal Publishing Group SP 465 OP 467 DO 10.1136/jramc-38-06-08 VO 38 IS 6 A1 S. F. Clark YR 1922 UL http://militaryhealth.bmj.com/content/38/6/465.abstract AB