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Subjects
- United States[remove]5
- Libraries, Medical2
- Animal Experimentation1
- Animal Welfare1
- Animals, Laboratory1
- Consumer Product Safety1
- Dental Research -- history1
- Education, Medical -- history1
- History of Dentistry1
- History, 19th Century1
- Information Services1
- Legislation, Drug -- history1
- Legislation, Food -- history1
- MEDLINE1
- National Library of Medicine (U.S.)1
- Online Systems -- utilization1
- United States Government Agencies1
- United States.1
- United States. Food and Drug Administration.1