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Research

Effect of reductions in amyloid levels on cognitive change in randomized trials: instrumental variable meta-analysis

BMJ 2021; 372 doi: https://doi.org/10.1136/bmj.n156 (Published 25 February 2021) Cite this as: BMJ 2021;372:n156

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Instrumental variable meta-analysis of aggregated randomized drug trial data for evaluating proposed target mechanisms