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- Dewey Decimal Classification (DDC) (10)
- 600 Technology (Applied sciences) (10)
- 616 Diseases (10)
- 616.07 Pathology (10)
- 616.079 Immunity (3)
- 616.07 Pathology (10)
- 616 Diseases (10)
- 600 Technology (Applied sciences) (10)
Number of items at this level: 0.