V2 Normative publication of HL7 Version 2.6 Implementation Guide: Newborn Screening for Critical Congenital Heart Defects (CCHD), Release 1 August 4, 2020 Lynn Laakso Normative, Public Health, Universal Realm Learn more at http://www.hl7.org/implement/standards/product_brief.cfm?product_id=366
