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[Preprint]. 2023 Nov 22:2023.08.09.23293900. [Version 2] doi: 10.1101/2023.08.09.23293900

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Figure 3. — Whistle transformation specification for creating FHIR R4 Person resource from OMOP CDM V5.3 Patient record. Functions such as USCore_Birthsex() use a unique feature of the Whistle transformation language that calls FHIR concept maps to convert OMOP-specific concept_ids into US Core IG-compliant CodeableConcepts.