U.S. Army medical school. Washington, D.C. (1941). Immunization to typhoid fever: Results obtained in the prevention of typhoid fever in the United States army, United States navy, and civilian conservation corps, by the use of vaccines. The Johns Hopkins Press.
Lua i Stíl Chicago (17ú heag.)U.S. Army medical school. Washington, D.C. Immunization to Typhoid Fever: Results Obtained in the Prevention of Typhoid Fever in the United States Army, United States Navy, and Civilian Conservation Corps, by the Use of Vaccines. Baltimore: The Johns Hopkins Press, 1941.
Lua MLA (9ú heag.)U.S. Army medical school. Washington, D.C. Immunization to Typhoid Fever: Results Obtained in the Prevention of Typhoid Fever in the United States Army, United States Navy, and Civilian Conservation Corps, by the Use of Vaccines. The Johns Hopkins Press, 1941.