Neurosurgery board review : questions and answers for self-assessment / Cargill Alleyne, MD, Professor and Marshall Allen Distinguished Chairman, Residency Program Director, Department of Neurosurgery, Medical College of Georgia at Georgia Regents University, Augusta, Georgia, M. Neil Woodall, MD, Chief Resident, Department of Neurosurgery, Medical College of Georgia at Georgia Regents University, Augusta, Georgia, Jonathan Citow, MD, FACS, Chief of Neurosurgery, Advocate Condell Medical Center, Libertyville, Illinois, Assistant Clinical Professor of Neurosurgery, Rosalind Franklin University Medical School, North Chicago, Illinois, and President of the American Center For Spine and Neurosurgery, Libertyville, Illinois.