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10 “...: Using preset criteria, we assessed the quality of each trial and abstracted information about its...”

11 “...: Using preset criteria, we assessed the quality of each trial and abstracted information about its...”

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13 “... EXTRACTION: We abstracted data on the design, results, and quality of each included trial. We used standard...”

14 “... EXTRACTION: We abstracted data on the design, results, and quality of each included trial. We used standard...”

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