title: Randomized controlled trials.
authors.affiliation: National Institute of Neurological Disorders and Stroke, USA.
authors.forename: John
authors.initials: J
authors.lastname: Marler
mesh_terms: D000690:Amyotrophic Lateral Sclerosis / Q000188:drug therapy*; D006801:Humans; D016032:Randomized Controlled Trials as Topic