Intersection of http://hl7.org/fhir/ValueSet/evidence-variable-definition and http://hl7.org/fhir/ValueSet/evidence-variable-definition
This is the ValueSet that contains codes in both Evidence Variable Definition (http://hl7.org/fhir/ValueSet/evidence-variable-definition) and Evidence Variable Definition (http://hl7.org/fhir/ValueSet/evidence-variable-definition).