Nurick Grades and Quality of Life Outcome in Cervical and Lumbar Spine Pathologies: A Cross-Sectional Study oleh Anthony Chukwuka Ugwu, Christopher O Akosile, Hyacienth Uche Chiegwu, Awajimijan Mbaba Nathaniel, Joseph C Eze, Daniel C Ugwuanyi, Robert O Akhigbe, Oluwafemi Olumide Egbeyem