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Subjects
- Argentina2
- Medicine2
- Yellow Fever -- prevention & control2
- Brazil1
- Cities -- history1
- Clínica Quirúrgica de Buenos Aires.1
- Cuba1
- Disease Outbreaks1
- Drug Contamination1
- Food Contamination1
- Health1
- Mexico1
- Obstetrics1
- Public Health1
- Sanitation1
- Social Problems1
- Souza, Bentos de Carvalho é.1
- Surgical Procedures, Operative1