Subjects
- Bacteria1
- Cuba1
- Diagnosis, Differential1
- Environment, Controlled1
- Epidemics1
- Gastrointestinal Tract -- microbiology1
- History, Modern 1601-1
- Inventions1
- Louisiana1
- Malaria -- diagnosis1
- Mucous Membrane -- microbiology1
- Photomicrography1
- Saliva -- microbiology1
- Sanitation -- history1
- Yellow Fever -- diagnosis1
- Yellow Fever -- epidemiology1
- Yellow Fever -- history1
