Intersection of http://hl7.org/fhir/ValueSet/research-study-classifiers and http://hl7.org/fhir/ValueSet/research-study-classifiers
This is the ValueSet that contains codes in both Research Study Classifiers (http://hl7.org/fhir/ValueSet/research-study-classifiers) and Research Study Classifiers (http://hl7.org/fhir/ValueSet/research-study-classifiers).