STU Publication of HL7 FHIR® Implementation Guide: Clinical Data Exchange (CDex), Release 1 STU1.1.0 – US Realm
Learn more at https://www.hl7.org/implement/standards/product_brief.cfm?product_id=590 or see the specification at
http://hl7.org/fhir/us/davinci-cdex/STU1.1