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Subjects
- India[remove]23
- Cholera18
- Disease Outbreaks18
- Cholera -- epidemiology3
- Pakistan3
- Bengal (Presidency)2
- Meteorological Concepts2
- Cholera -- prevention & control1
- Cholera -- therapy1
- Communicable Disease Control1
- Europe1
- Geography1
- Military Hygiene -- legislation & jurisprudence1
- Sanitation1
- Smallpox -- prevention & control1
- Water Supply1