PT - JOURNAL ARTICLE AU - J. H. C. Walker, Lieutenant-Colonel TI - Gas Cleansing Centres, First Aid Posts, and their Counterpart in the Field AID - 10.1136/jramc-75-04-17 DP - 1940 Oct 01 TA - Journal of the Royal Army Medical Corps PG - 278--278 VI - 75 IP - 4 4099 - http://militaryhealth.bmj.com/content/75/4/278.short 4100 - http://militaryhealth.bmj.com/content/75/4/278.full SO - J R Army Med Corps1940 Oct 01; 75