Intersection of http://hl7.org/fhir/ndfrt and http://hl7.org/fhir/ndfrt
This is the CodeSystem that contains codes in both National Drug File Reference Terminology (NDF-RT) (http://hl7.org/fhir/ndfrt) and National Drug File Reference Terminology (NDF-RT) (http://hl7.org/fhir/ndfrt).