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Subjects
- General Surgery6
- Surgical Instruments6
- Medicine4
- Alcoholic Beverages -- adverse effects2
- Natural History2
- United States2
- African Continental Ancestry Group1
- Air -- analysis1
- Animal Diseases -- prevention & control1
- Animal Husbandry1
- Cattle1
- Charities1
- Chemistry1
- Cholera Morbus1
- Dysentery1
- Edema1
- Education, Medical1
- Equipment and Supplies1
- Fever1
- Financing, Government1