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Disease Outbreaks
9
Yellow Fever
7
Equipment and Supplies
5
Delivery, Obstetric
3
Midwifery
3
Philadelphia -- epidemiology
3
Phytotherapy
3
Animal Husbandry
2
Disease
2
Horse Diseases
2
Horses
2
Medical Illustration
2
Medicine
2
Military Medicine
2
Parturition
2
Tobacco -- adverse effects
2
Albinism
1
Alkalies
1
Anthrax
1
Bible
1