For further information about the National Upper Cervical Chiropractic Association (NUCCA), please visit their website: www.nucca.org
1) A Brief History of the Modus Operandi of Measuringand Correcting the Atlas Subluxation Complex Syndrome and the Role of Posture in the National Upper Cervical Chiropractic Association (NUCCA) Standard of Care. Jim Palmer and Kevin Creswell. The Upper Cervical Monograph Vol 7, No. 1. April 2008
2) NUCCA: Protocols and Perspectives. A textbook for the National Upper Cervical Chiropractic Association. First Edition. Michael D. Thomas, Editor. Copyright 2002.
Frequently asked questions reference: http://www.nucca.org/faq.php