title: Clinical trials with budgetary implications. Establishing randomised trials of pressure-relieving aids.
abstract: It is essential that decisions about purchasing pressure-relieving products are made with reference to the results of clinical trials. This article, the first in a four-part series, outlines the criteria for choosing pressure-relieving products and sets the scene for a series of randomised, clinical trials of commonly used beds and overlays.
authors.forename: M R
authors.initials: MR
authors.lastname: Bliss
authors.forename: J M
authors.initials: JM
authors.lastname: Thomas
mesh_terms: D006801:Humans; D011312:Pressure; D003668:Pressure Ulcer / Q000517:prevention & control*; D016032:Randomized Controlled Trials as Topic