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Systematic reviews
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A systematic search strategy is performed
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Guidelines:
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P
referred
R
eporting
I
tems for
S
ystematic
R
eviews and
M
eta-Analyses
•
http://www.prisma-statement.org/•
In brief:
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Search more than one database (Pubmed not enough)
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Do not restrict to English language
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Manual search by browsing references of reviews