1. Wu LT, Chun JWH, Pollitzer R.Wu CY: Plague. A Manual for Medical and Public Health Workers.Shanghai: Weishengshu, National Quarantine Service, 1936.
2.
2. Hirst LB: The Conquest of Plague. A Study of the Evolution of Epidemiology.Oxford: Oxford University Press, 1953.
3.
3. Wu LT: Inaugural address on plague. Lancet1911;i:1117–18.