title: Experience with a flotation unit for prevention of decubitus ulcers.
mesh_terms: D000328:Adult; D000368:Aged; D001513:Beds; D006801:Humans; D008722:Methods; D008875:Middle Aged; D011145:Polyvinyls; D003668:Pressure Ulcer / Q000517:prevention & control*; D014867:Water
chemical_list: D011145:Polyvinyls; D014867:Water