Subthalamic and pallidal deep brain stimulation for Parkinson’s disease—meta-analysis of outcomes oleh M. Lenard Lachenmayer, Melina Mürset, Nicolas Antih, Ines Debove, Julia Muellner, Maëlys Bompart, Janine-Ai Schlaeppi, Andreas Nowacki, Hana You, Joan P. Michelis, Alain Dransart, Claudio Pollo, Guenther Deuschl, Paul Krack