Perspectives of evidence-based surgery, Digestive Surgery, vol.20, issue.4, pp.263-269, 2003. ,
Level of evidence of clinical neurosurgery research in Saudi Arabia, Neurosciences, vol.19, issue.4, pp.334-337, 2014. ,
The Oxford, 2011. ,
The PRISMA Group. Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement, Open Medicine, vol.3, issue.3, pp.123-130, 2009. ,
Level of evidence of clinical orthopedic surgery research in Saudi Arabia, Saudi Medical Journal, vol.34, issue.4, pp.395-400, 2013. ,
Level of evidence in Spine compared to other orthopedic journals, Spine, vol.32, issue.3, pp.388-393, 2007. ,
Level of evidence of clinical spinal research and its correlation with journal impact factor, Spine Journal, vol.13, issue.9, pp.1148-1153, 2013. ,
Improvement of research and biomedical publication, Saudi Medical Journal, vol.25, issue.10, pp.1319-1322, 2004. ,
Does a "Level I Evidence" rating imply high quality of reporting in orthopaedic randomised controlled trials?, BMC Medical Research Methodology, vol.6, issue.44, 2006. ,
Enhancing biomedical research in Saudi Arabia, Saudi Medical Journal, vol.26, issue.5, p.897, 2005. ,
Geographic origin of publications in major spine journals, Acta Orthopaedica Belgica, vol.80, issue.4, pp.508-514, 2014. ,