NASS
North American Spine Society (NASS) is a global multidisciplinary medical society that utilizes education, research and advocacy to foster the highest quality, ethical, value- and evidence-based spine care for patients. We are comprised of more than 8,000 members worldwide from several disciplines including orthopedic surgery, neurosurgery, physiatry, neurology, radiology, anesthesiology, research, physical therapy and other spine care professionals.
URL: http://www.spine.org