Health Level Seven Receives ANSI Approval for Arden Syntax, Version 2.5
http://www.hl7.org/Press/20050516.pdf
Health Level Seven Receives ANSI Approval of Common Terminology Services, Version 1
http://www.hl7.org/Press/20050513.pdf
HL7 Receives ANSI Approval of Three Version 3 Specifications Including CDA, Release 2
http://www.hl7.org/Press/20050505.pdf