title: Chance and design.
authors.affiliation: National Hospital for Neurology and Neurosurgery, Queen Square, London, UK.
authors.forename: W I
authors.initials: WI
authors.lastname: McDonald
mesh_terms: D001363:Awards and Prizes; D009462:Neurology; D012107:Research Design; D012955:Societies, Medical; D006113:United Kingdom