Rujukan Sindrom

  1. ↑ The British Medical Association illustrated medical dictionary. London: Dorling Kindersley. 2002. m/s. 177, 536. ISBN 9780751333831. OCLC 51643555. 
  2. ↑ Dorland's illustrated medical dictionary (edisi 32nd). Philadelphia, PA: Saunders/Elsevier. 2012. m/s. 1818. ISBN 9781416062578. OCLC 706780870. 
  3. ↑ Dorland's Illustrated Medical Dictionary (edisi 32). USA: Elsevier Saunders. m/s. 167. ISBN 978-1-4160-6257-8.