4Ghodse A H, Baigent B, Evans T C, et al. The use of a drug utilization index to monifor psychotropic drug use in hospital [J]. Int J Soc Psychiatry, 1987, 33(1): 21.
5Ancoli Israel S. Sleep disorder in olderadults[J ]. Geriatrics, 2004, 59(1): 37.
6Kryger M, Monjan A, Bliwise D, et al. sleep, health, aging [J]. Geriatrics, 2004, 59(1): 24.
7Foley A J, Mojan A, simonsick E M, et al. Incidence and remission of insomnia among elderly adults: an epidemiologic study of 6800 porsons over three years[J], sleep, 1999, 22 (suppl 2) : .S366.
8Vitiello M V, Moe K E, Prinz P N, et al. Sleep complaints cosegregate with illness in older adults: clinical research by and informing epidemiolojical studies of sleep [J ]. J Psy- chosem Res, 2002, 53(1): 555.
9Roth T. The relationship between pyhchiatrie diseases and inmmnia [J]. IntJClinPract, 2001, 116(1): 3.
