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Subjects
- Abattoirs2
- Abnormalities, Severe Teratoid1
- Accommodation, Ocular1
- Administration, Inhalation2
- African Continental Ancestry Group -- ethnology1
- Agriculture1
- Air Conditioning -- methods1
- Air Pollution, Indoor1
- Alcohol Drinking -- adverse effects1
- Aluminum1
- Alveolar Process1
- Amblyopia1
- American Association for the Relief of the Misery of Battle Fields.1
- American Civil War10
- American Philosophical Society.1
- Amputation1
- Amputees1
- Anatomy1
- Andersonville Prison.1
- Anesthesia, Local -- methods1