2Paul BK,Jan W, Bert van Ramshorst,et al.Pressure ulcers in intensive care patients: a review of risks and prevention[J]. Intensive Care Medicine,2002,28 (10) : 1228-1229.
4Margara A,Merlino G,Borsetti M,et al.A proposed protocol for the surgical treatment of pressure sores based on a study of 337 cases [J].European J Plastic Surgery,2003,26 (2) :1016-1017.