Identifies the date on which the element became (or is expected to become) active and the date on which the element became (or is expected to become) retired.
Validate
API
Project FHIR API
The project FHIR API endpoint is not yet available for DSTU2 FHIR version.
Simplifier FHIR API
The global FHIR API endpoint is not yet available for DSTU2 FHIR version.
