1. HL7 Version 3 Implementation Guide: TermInfo – Using SNOMED CT in CDA R2 Models, Release 1, HL7 5th DSTU Ballot, January 2014, http://wiki.hl7.org/index.php?title=File:V3_IG_SNOMED_R1_D5_2014JAN.docx
  2. SNOMED International APG Syntax Parsers, IHTSDO, 2016, http://apg.ihtsdotools.org/
  3. NHS Logical Record Architecture for Health and Social Care, UK Terminology Centre, November 2013, https://isd.hscic.gov.uk/trud3/user/guest/group/0/pack/12
  4. SNOMED CT Compositional Grammar – Specification and Guide, IHTSDO, July 2015, http://snomed.org/compgrammar
  5. SNOMED International Glossary, Draft version July 2014, http://snomed.org/gl
  6. SNOMED CT Languages Github Repository, https://github.com/IHTSDO/SNOMEDCT-Languages
  7. SNOMED CT Starter Guide, IHTSDO, February 2014, http://snomed.org/sg
  8. SNOMED CT Technical Implementation Guide, IHTSDO, July 2014, http://snomed.org/tig