This is the CodeSystem that contains all the codes in Product Relationship (http://smart.who.int/pcmt/CodeSystem/ProductRelationship) and Product Relationship (http://smart.who.int/pcmt/CodeSystem/ProductRelationship). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem 7990e45a-4287-4c07-8de3-c024718e9dbf-5
This code system http://hl7.org/fhir/comparison/CodeSystem/7990e45a-4287-4c07-8de3-c024718e9dbf-5
defines codes, but no codes are represented here