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Subjects
- Darwin, Charles, 1809-1882.1
- Davis, Phebe B.1
- Deléry, Charles François, 1815-1880.1
- Delivery, Obstetric -- instrumentation1
- Dental Materials1
- Dental Prosthesis1
- Dentistry2
- Dentistry -- veterinary1
- Dentures1
- Diet1
- Diphtheria1
- Disease1
- Disease -- etiology1
- Disease Outbreaks2
- Dissection1
- Dissent and Disputes4
- Distillation1
- Diuretics1
- Drainage, Sanitary1
- Drug Therapy4