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Cross-version Analysis

R4 vs R5 IG

This implementation guide has parallel flavours for HL7 FHIR R4 and R5 versions.

Cross Version Analysis

This is an R4 IG. None of the features it uses are changed in R4B, so it can be used as is with R4B systems. Packages for both R4 (hl7.fhir.eu.base.r4) and R4B (hl7.fhir.eu.base.r4b) are available.