Columbia subject headings:
Blood--Collection and preservation.
Blood--Transfusion.
World War, 1939-1945--Medical care.
Harvard subject headings:
Blood--Collection and preservation
Blood--Transfusion
Korean War, 1950-1953--Medical care--United States.
United States. Army--Medical care--History.
World War, 1939-1945--Medical care--United States.
Princeton subject headings: