title: Prone positioning device challenged.
authors.forename: D
authors.initials: D
authors.lastname: Houghton
mesh_terms: D002986:Clinical Trials as Topic / Q000592:standards*; D003422:Critical Care / Q000379:methods*; D006801:Humans; D016684:Prone Position; D012107:Research Design / Q000592:standards*; D012128:Respiratory Distress Syndrome / Q000628:therapy*; D016896:Treatment Outcome