title: Clinical research in patient support systems. 1981.
authors: M R
authors: MR
authors: Bliss
mesh_terms: D001513:Beds / Q000266:history*; D035843:Biomedical Research / Q000266:history / Q000639:trends; D002986:Clinical Trials as Topic / Q000266:history; D004867:Equipment Design / Q000266:history; D049673:History, 20th Century; D006801:Humans; D003668:Pressure Ulcer / Q000266:history* / Q000517:prevention & control; D016896:Treatment Outcome