waleed abbass, and wisam samir, "Surgical treatment of chronic subdural hematoma with the use of subgaleal drain.", EANS, 15th European Congress of Neurosurger, czech republic, 2014.
waleed abbass, "Approaching anterior communicating artery aneurysm with dominant left a1 from the right side", 10th Asian Congress of Neurosurgery , Kazakhstan , 2014.
waleed abbass, "Management of Chiari Type I malformation", 8th Asia Pacific Cervical Spine Meeting, turkey, 2014.
, "Management of locked facet in cervical spine injury", 8th Asia Pacific Cervical Spine Meeting, turkey, 2014.
waleed abbass, "Decompressive craniotomy for traumatic non missile acute subdural hematoma.", 10th Asian Congress of Neurosurgery , kazakhstan, 2014.
waleed abbass, and wisam samir, "Is the era of vascular surgery finished?", 9th Asian Congress of Neurosurgery, , turkey, 2012.
waleed abbass, and wisam samir, "Management of gunshots to the brain and spinal cord", 9th Asian Congress of Neurosurgery, turkey, 2012.