title: Know how--alternating pressure relief.
authors.affiliation: Department of Rehabilitation, University of Salford, Manchester.
authors.forename: S
authors.initials: S
authors.lastname: Rithalia
mesh_terms: D006801:Humans; D011187:Posture; D011312:Pressure; D003668:Pressure Ulcer / Q000451:nursing* / Q000503:physiopathology*