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                    What is GRADE
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                    Standards for Trustworthy guidelines, IOM 2011
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                    Standards from GIN (Guideline International Network)
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                    Tool to Assess Risk of Bias in Cohort Studies
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                    Tool to assess Risk of Bias in Randomized Controlled Trials
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                    How to rate up the quality of evidence
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                    What is a Clinical Trial and what can it tell me?
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                    How to rate Inconsistency
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                    How to rate indirectness
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                    What to do with a paper which only reports P-values, without any other data