title: Does randomization introduce bias in unblinded trials?
authors.forename: M A
authors.initials: MA
authors.lastname: Kemler
authors.forename: H C
authors.initials: HC
authors.lastname: de Vet
mesh_terms: D015982:Bias; D004599:Electric Stimulation Therapy; D006801:Humans; D009136:Muscular Dystrophies / Q000628:therapy*; D059408:Pain Management; D010147:Pain Measurement; D026741:Physical Therapy Modalities; D011788:Quality of Life; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012107:Research Design