5[1]Maklebust J.Interrupting the pressure ulcer cycle[J].Nurs Clin North Am,1999,34(4):861～871.
6[2]Perneger T V,Heliot C,Rae A C,et al.Hospital-acqu ired pressure ulcers:ri sk factors and use of preventive devices[J].Arch Intern Med,1998,158(17):1940 ～1945.
7[3]Witkowski J A,Parish L C.Histopathology of the decubitus ulc er[J].J Am Acad Dermatol,1982,6:1014-1021.
8[4]Klitzman B,Kalinowski C,Glasofer S L,et al.Pressure ul cers and pressure relief surfaces[J].Clin Plast Surg,1998,25(3):443～450.
9[5]Reuler J B,Cooney T G.The pressure sore:pathophysiology and princi ples of management[J].Ann Intern Med,1981,94:661～666.
10[6]Goldstein B,Sanders J.Skin response to repetitive mechanical stres s:a new experimental model in pig[J].Arch Phys Med Rehabil,1998,79(3):265～27 2.
