Safety and efficacy of rasagiline as an add-on therapy to riluzole in patients with amyotrophic lateral sclerosis: a randomised, double-blind, parallel-group, placebo-controlled, phase 2 trial - Ludolph, Albert C.; Schuster, Joachim; Dorst, Johannes; Dupuis, Luc; Dreyhaupt, Jens; Weishaupt, Jochen H.; Kassubek, Jan Rainer; Weiland, Ulrike; Petri, Susanne; Meyer, Thomas; Großkreutz, Julian; Schrank, Berthold; et al. (The lancet, 2018)