1[1]Zhang M,Katzman R,Salmon D,et al.The prevalence of dementia and Alzheimer's disease in Shanghai,China:impact of age,gender,and education[J].Ann Neurol,1990,27(4):428
2[3]Chen P.,Yu E.S.H.,Zhang M.,et al.ADL dependence and medical conditions in Chinese older persons:A population-based survery in Shanghai,China[J].J Am Geriatr Soc,1995,43:378-383
3Graves N,Birrell F,Whitby M.Effect of pressure ulcers on length of hospital stay[J].Infect Control Hosp Epidemiol,2005,26:293-297.
5Nixon J,McElvenny D,Mason S,et al.A sequential randomised controlled trial comparing a dry visco-elastic polymer pad and standard operating table mattress in the prevention of postoperative pressure sores[J].Int J Nurs Stud,1998,35:193-203.
6Torrai Bou JE,Segovia Gomez T,Verdu SorianoJ,et al.The effectiveness of a hyperoxygenated fatty acid compound in preventing pressure ulcers[J].J Wound Care,2005,14:117-121.
8Julia KG,Margaret G. Psychosocial intentions for individuals with dementia:an integration of therapy, and a clinical understanding of dementia. Clinical Psychology Review. 2000,20(6) :755-782.
3Ferri CP, Prince M, Brayne C, et al. For Alzheimer's Disease In- ternational. Global prevalence of dementia: a Delphi consensus study[J].Lancet,2005,366(9 503) :2 112-2 117.