{description: '[ResearchSubject](researchsubject.html): Business Identifier for research subject in a study\r\n', package_name: hl7.fhir.r6.search, name: identifier, type: token, package_version: 6.0.0-ballot1, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/clinical-identifier', version: 6.0.0-ballot1}