6Komfeld DS. Consultation-liaison psychiatry: contributions to medi- eal practice [ J]. Am J Psychiatry,2002,159 : 1964-1972.
7Rothenhitusler HB, Ehrentraut S, Kapfhammer HP. Changes in pat- terns of psychiatric referral in a German general hospital : results of a comparison of two I-year surveys 8 years apart[J]. General Hos- pital Psychiatry ,2001,23:205-214.
8Kishi Y, Meller WH, Kathol RG, et al. Factors affecting the rela- tionship between the timing of psychiatric consultation and generalhospital length of stay [ J ]. Psychosomaties ,2004,45:470-476.
9Kiely DK, Jones RN, Bergmann MA, et al. Association between psy- chomotor activity delirium subtypes and mortality among newly ad- mitted post-acute facility patients [ J ]. Gerontol A Biol Sci Med Sci .2007.62 : 174-179.