> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.emtelligent.com/nlp/database/cookbook/concept-queries/concept-hierarchy/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.emtelligent.com/_mcp/server.

# Concept Hierarchy Queries

## Docs

- [Concept Hierarchy Queries](https://docs.emtelligent.com/nlp/database/cookbook/concept-queries/concept-hierarchy/overview.md)
- [Cardiovascular Disease Symptoms](https://docs.emtelligent.com/nlp/database/cookbook/concept-queries/concept-hierarchy/cardiovascular-symptoms.md)