IncobotulinumtoxinA in the Treatment of Musician's Focal Hand Dystonia: A Placebo-Controlled, Crossover Trial. (July 2022) - Simpson, David; Nmashie, Alexandra; George, Mary Catherine; Wu, Chuanjie; Pantelyat, Alexander; Altenmüller, Eckart; Chen, Michael; Feng, David; Frucht, Steven