Primary CarePoint Of View: Chronicity of Back Problems During Working LifeCarey, Timothy S., MD, MPHAuthor Information Sheps Center for Health Services Research; University of North Carolina; Chapel Hill, North Carolina Spine: September 15, 1998 - Volume 23 - Issue 18 - p 2028–2029 Buy SDC © 1998 by Lippincott Williams & Wilkins
