9Saravay SM,Kaplowitz M,Kurek J,et al.How do deliri-um and dementia increase the length of stay of elderly gen-eral medical inpatients?[J].Psychosomatics,2004,45(3):235.
10Moller JT,Cluitmans P,Rasmussen LS,et al.Long-term postoperative cognitive dysfunction in the elderly:ISPOCD1study[J].Lancet,1998,351(9106):857-861.
