title: Pressure sores: when prevention fails.
mesh_terms: D006801:Humans; D011187:Posture; D003668:Pressure Ulcer / Q000150:complications / Q000473:pathology / Q000517:prevention & control / Q000628:therapy*; D012306:Risk; D013997:Time Factors; D014946:Wound Infection / Q000517:prevention & control