Rato, MDuarte, GMestre, TCarvalho, MFerreira, J2018-11-212018-11-212018Lancet Neurol. 2018 Oct;17(10):8421474-4465http://hdl.handle.net/10400.10/2060engAmyotrophic lateral sclerosisStrong nocebo effect in amyotrophic lateral sclerosis trials might mask conclusions.journal article10.1016/S1474-4422(18)30310-7