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What's the relationship between the metadata and the patient data?
This is the second most important question on this pageanother key question/concept.
The earlier question about "How does it work? How does the i2b2 ontology make the patient data queryable?" introduced the concept of how the patient data in the CRC database work in tandem with the metadata in the ONT database to allow i2b2 to conduct queries for the researcher.
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