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Preferred Reporting Items for Systematic Reviews and Meta-Analyses: The PRISMA Statement
David Moher, PhD; Alessandro Liberati, MD, DrPH; Jennifer Tetzlaff, BSc; Douglas G. Altman, DSc; the PRISMA Group
Annals of Internal Medicine 2009;151:264-269.
doi:10.7326/0003-4819-151-4-200908180-00135
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