PT - JOURNAL ARTICLE AU - John Boyd AID - 10.1136/jramc-128-02-09 DP - 1982 Apr 01 TA - Journal of the Royal Army Medical Corps PG - 117--119 VI - 128 IP - 2 4099 - http://militaryhealth.bmj.com/content/128/2/117.short 4100 - http://militaryhealth.bmj.com/content/128/2/117.full SO - J R Army Med Corps1982 Apr 01; 128