Intersection of http://hl7.org/fhir/ValueSet/definition-topic and http://hl7.org/fhir/ValueSet/definition-topic
  This is the ValueSet that contains codes in both DefinitionTopic (http://hl7.org/fhir/ValueSet/definition-topic) and DefinitionTopic (http://hl7.org/fhir/ValueSet/definition-topic).
Structure
  - Import all the codes that are contained in the intersection of