title: Decubitus ulcer. A double blind study of an old problem and a new treatment.
mesh_terms: D000368:Aged; D000481:Allantoin / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D006827:Hydantoins / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D003668:Pressure Ulcer / Q000188:drug therapy*; D014801:Vitamin A / Q000627:therapeutic use*
chemical_list: D006827:Hydantoins; D014801:Vitamin A; D000481:Allantoin