RT Journal Article SR Electronic T1 An Interesting Cardiac Problem JF Journal of the Royal Army Medical Corps JO J R Army Med Corps FD British Medical Journal Publishing Group SP 66 OP 69 DO 10.1136/jramc-102-01-11 VO 102 IS 1 A1 Gerald Sandler YR 1956 UL http://militaryhealth.bmj.com/content/102/1/66.abstract AB