RT Journal Article SR Electronic T1 A History of Water Purification in the British Army JF Journal of the Royal Army Medical Corps JO J R Army Med Corps FD British Medical Journal Publishing Group SP 34 OP 45 DO 10.1136/jramc-111-01-07 VO 111 IS 1 A1 W. R. O. Eggington YR 1965 UL http://militaryhealth.bmj.com/content/111/1/34.abstract AB