Intersection of http://terminology.hl7.org/CodeSystem/MDREA and http://terminology.hl7.org/CodeSystem/MDREA
This is the CodeSystem that contains codes in both MedDRA Am Engl expanded (http://terminology.hl7.org/CodeSystem/MDREA) and MedDRA Am Engl expanded (http://terminology.hl7.org/CodeSystem/MDREA).