Key techniques in orthopaedic surgery [electronic resource] / [edited by] Steven H. Stern, MD, Clinical Associate Professor, Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, Christopher M. Bono, MD, Chief of Spine Service, Associate Professor of Orthopaedic Surgery, Harvard Medical School, Brigham and Women's Hospital, Boston, Massachusetts, Matthew D. Saltzman, MD, Associate Professor, Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois