00785cam a22002651 4500 med48000873 DLC 20260227111610.0 770804s1947 xx 000 0 eng c med48000873 (OCoLC)3162477 U. S. Army Medical Libr. OC DLC premarc UH623 .G72 1947 613.67 Great Britain. Air Ministry. Handbook of preventive medicine. London, 1947. vi, 213 p. illus. 23 cm. Its Air publication, 1269B 1st ed., 1946. Great Britain. Royal Air Force Sanitary affairs. Military hygiene. Air publication (Great Britain. Air Ministry) ; 1269B. 38944 38944