title: Randomised controlled trial in non-invasive ventilation: what trial?
authors.forename: Anabela
authors.initials: A
authors.lastname: Pinto
authors.forename: Mamede
authors.initials: M
authors.lastname: de Carvalho
mesh_terms: D000690:Amyotrophic Lateral Sclerosis / Q000628:therapy*; D006801:Humans; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012121:Respiration, Artificial / Q000379:methods*; D012131:Respiratory Insufficiency / Q000628:therapy