RT Journal Article SR Electronic T1 Level of evidence of clinical neurosurgery research in Saudi Arabia JF Neurosciences Journal JO Neurosciences (Riyadh) FD Prince Sultan Military Medical City SP 334 OP 337 VO 19 IS 4 A1 Bakur A. Jamjoom A1 Aimun A. Jamjoom A1 Abdulhakim B. Jamjoom YR 2014 UL http://nsj.org.sa/content/19/4/334.abstract AB