6Ross BG. FradetG,Nedzelski JM. D evelopm ent of a sensitive clinica facial grading System[J]. Otolaryngo IH cad Neck Surg,1996,114 (3) :380-386.
7Chee GH,Nedzelski J M. Facial nerve grading systems[J].Facial Plast Surg,2000,16(4):315-324.
8Kayhan FT,Zurako w sk iD,Rauch SD. Toron to Facial Grading System : interobserver reliabiity [J ]. Otolarwlgol Head Neck Surg,2000, 122(2) :212-215.
9Holton G. Time: The second dimension of risk[J]. Financial Analysts Journal, 1992, 48(6): 38-45.
10Diebold F X, Hickman A, Inoue A, et al. Converting 1-Day Volatility to h-Day Volatility: Scaling by ( )h is Worse Than You Think[R]. Wharton Financial Institutions Center, Working Paper 1997. 97-34, http://fic.wharton. upenn.edu/fic/
