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Disease Outbreaks
10
Yellow Fever
7
Equipment and Supplies
5
Delivery, Obstetric
4
Phytotherapy
4
Haiti
3
Medical Illustration
3
Medicine
3
Midwifery
3
Parturition
3
Philadelphia -- epidemiology
3
Animal Husbandry
2
Boston -- epidemiology
2
Disease
2
Fever
2
Horse Diseases
2
Horses
2
Military Medicine
2
Tar-Water
2
Tetanus
2