DOI:
10.1055/s-00044025
Annals of the National Academy of Medical Sciences (India)
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References
Moher D, Liberati A, Tetzlaff J, Altman DG. PRISMA Group.
Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement.
PLoS Med 2009;
6 (07) e1000097
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