1 Subjects: “...Research Design...”

2 Subjects: “...Research Design...”

3 Subjects: “...Research Design...”

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6 “... conclusions. We also identified very few studies designed to assess the effect of health services delivery...”

7 “... conclusions. We also identified very few studies designed to assess the effect of health services delivery...”

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11 “..., study design features, outcomes reported, intervention and outcome descriptions, and results data...”

12 “..., study design features, outcomes reported, intervention and outcome descriptions, and results data...”

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