Title: Sanzennin no seitai jikken
Subjects: Atrocities, Biological warfare, History, Japan, Japan. Rikugun. Butai, Dai 100, Japan. Rikugun. Butai, Dai 731, Japanese in Manchuria, War criminals, World War, 1939-1945
Places: Japan, Manchuria (China)
Time periods: 1931-1945