Page History
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- There are two types of historical reference sets:
- Inactivation Reference Sets which indicate the reason for inactivation of a particular component.
- Historical Association Reference Sets which associate inactive concepts with one or more active concepts that represent the same, similar or a possible meaning of an inactive concept.
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- Glossary
Gloss t Active component Gloss t Inactive component
- Release File Specification
- Reference Sets Practical Guide
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