Contents

 Commentary

n MESSAGE FROM THE MEDICAL EDITOR
Growth and Evolution 
Stuart M. Weinstein, MD

n FROM THE DESK OF THE PRESIDENT
Progressive Vision and Leadership: The Cornerstone of the North American Spine Society 
Jean-Jacques Abitbol, MD

n LETTERS TO THE EDITOR 
T. Craig Derian, MD

 Current Concepts

n INVITED REVIEW
Is there a Future for Nucleus Pulposus Replacement 
Russel C. Huang, MD

n CURVE/COUNTERCURVE
ACDF: Inpatient or Outpatient? 
Alexander J. Ghanayem, MD: Kenneth S. Yonemura, MD; Jeffrey C. Wang, MD

n LITERATURE REVIEW
New from the Journals 
Paul M. Arnold, MD, FACS; Edward Teng, BS; Jonathan N. Grauer, MD; Alexander R. Vaccaro, MD

n ABSTRACT REVIEW
NASS Annual Meeting Abstracts 
Michael Schaufele, MD; Scott Boden, MD

 Socioeconomics & Politics 

n ELECTRONIC TECHNOLOGY
Collaborative Knowledge Networks 
Darrel S. Brodke, MD; Paul J. Slosar, MD; Jim A. Youssef, MD

n PRACTICE MANAGEMENT
Physician Experiences with Phone Tree Systems 
Robert Takacs, MD; Vincent Gaspar-Yoo, MD

n CODING Q & A
Cervical Reconstruction Coding 
NASS Operative Coding Committee

n REGULATORY POLICY
Five-Year Review Update 
Charles Mick, MD

n ETHICAL/LEGAL
NASS Code of Ethics Expanded to Cover Industry Relationships 
Stan Herring, MD

n ADVOCACY/LEGISLATIVE AFFAIRS/PAC

Back the PAC 
Tom Faciszewski, MD

 NASS News  

Team Up with NASS in Suporting Spine Research