Addas, B. M., R. F. Bokhari, and R. Midha. “Lumbar (L4) Intradural Motor Nerve Root Repair Using Collagen Tube Following Excision of Schwannoma: First Case Report”. Journal of King Abdulaziz University - Medical Sciences, Vol. 19, no. 4, Oct. 2012, pp. 141-9, doi:10.4197/med.19-4.11.