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5 “...More RCTs and better designed observational studies that can control for many of the known...”

6 “...More RCTs and better designed observational studies that can control for many of the known...”

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9 “... (72 studies); we posit that this is, in part, because many of the studies in the report predate...”

10 “... (72 studies); we posit that this is, in part, because many of the studies in the report predate...”

11 “...BACKGROUND: Lower limb prosthesis (LLP) candidates are a heterogeneous group. Many LLP options...”

12 “...BACKGROUND: Lower limb prosthesis (LLP) candidates are a heterogeneous group. Many LLP options...”

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