Reply to letters to the editor regarding lumbar provocative discography.
Department of Orthopedic Surgery, Stanford Medicine Outpatient Center, Stanford University School of Medicine, 450 Broadway Street, Redwood City, CA 94063, USA.
Eugene J
EJ
Carragee
Department of Orthopedics and Physical Rehabilitation, UMass Memorial Medical Center, University of Massachusetts Medical School, Spine Center, Memorial Campus, 119 Belmont St, Worcester, MA 01605, USA.
Michael P
MP
Stauff
D006801:Humans; D007403:Intervertebral Disc; D007405:Intervertebral Disc Displacement; D017116:Low Back Pain; D008159:Lumbar Vertebrae; D008279:Magnetic Resonance Imaging