title: Advanced stage IV pressure ulcers.
authors.forename: A
authors.initials: A
authors.lastname: Nisenson
mesh_terms: D006801:Humans; D010343:Patient Admission; D003668:Pressure Ulcer / Q000145:classification* / Q000209:etiology*; D012107:Research Design; D012720:Severity of Illness Index; D013997:Time Factors