Effect of reductions in amyloid levels on cognitive change in randomized trials: Instrumental variable meta-analysis
Ackley SF, Zimmerman SC, Brenowitz WD, Tchetgen Tchetgen EJ, Gold AL, Manly JJ, Mayeda ER, Filshtein TJ, Power MC, Elahi FM, Brickman AM, Glymour MM (2021) BMJ