title: Treating controls in unblinded trials.
authors.forename: Paul S
authors.initials: PS
authors.lastname: Heckerling
mesh_terms: D004244:Dizziness / Q000503:physiopathology / Q000628:therapy*; D005081:Exercise Therapy / Q000379:methods*; D006801:Humans; D011320:Primary Health Care; D012107:Research Design / Q000592:standards*; D016037:Single-Blind Method; D014722:Vestibule, Labyrinth / Q000503:physiopathology