4391. Letter sent by the Surgeon Generals of the Army, Navy, and the U. S. Public Health Service to physicians in the Armed Forces (Number 8, April 16, 1943)
4392. Letter sent by the Surgeon Generals of the Army, Navy, and the U. S. Public Health Service to physicians in the Armed Forces (Number 9, May 1, 1943)
4394. Aviation physiologists bulletin Publication: Washington, D.C. : Air Surgeon's Office, Headquarters Army Air Forces, 1943-1945 Subject(s): Aerospace MedicineWorld War IIUnited States