title: Purity, pragmatism and hip protector pads.
authors.forename: A J
authors.initials: AJ
authors.lastname: Campbell
mesh_terms: D003627:Data Interpretation, Statistical; D006620:Hip Fractures / Q000517:prevention & control*; D006801:Humans; D008432:Mathematical Computing; D011482:Protective Devices; D016032:Randomized Controlled Trials as Topic; D012107:Research Design