title: Letter: Granular support in prevention and treatment of bedsores.
mesh_terms: D001512:Bedding and Linens; D003365:Costs and Cost Analysis; D006801:Humans; D011137:Polystyrenes; D003668:Pressure Ulcer / Q000517:prevention & control / Q000628:therapy*; D014908:Triticum
chemical_list: D011137:Polystyrenes