Intersection of http://terminology.hl7.org/CodeSystem/ahfs and http://terminology.hl7.org/CodeSystem/ahfs
This is the CodeSystem that contains codes in both AHFS Pharmacologic-Therapeutic Classification (http://terminology.hl7.org/CodeSystem/ahfs) and AHFS Pharmacologic-Therapeutic Classification (http://terminology.hl7.org/CodeSystem/ahfs).