7Mathias S, Nayak USL. Balance in elderly patientsthe"Get- up and Go"test [J]. Arch Phys Med Rehabil , 1986,67(3): 387-389.
8Podisadle D, Richardson S. The timed/up and go:a test of bas- ic functional mobility for frail elderly persons [J]. J Am Geriatr Soc ,1991,39(1) :142-1481.
9Milne SE, Troy A, Irwin MG, et al. Relationship between bis-pectral index, auditody evoked potential index and effect- site EC for propofol at two end-points[J]. Br J Anaesth , 2003,90(2) : 127-131.
10Trueblood PR, Hodson-Chennault N, Mc-Cubbin A, et al . Performance and impairment-based assessments among com- munity dwelling elderly: sensitivity and specificity [J]. Issues an Aging ,2001,24(1) :2-6.