2David S. Moore. ect. Intruction to the practices of statistics. New York Oxford:W. H. freeman and Company. 1993.
3Schuirman DJ. Bioequivalence test and two one-side t test. J Pharmacokin Biopharm, 1987,15:16.
4Wayne W. Daniel. Applied Nonparametric Statistics. 2nd. Ed Pwskent:pubilishing comany. 1990,234.
5Abramowitz M . Stegun IA. Handbook of Mathematical Function.Washington D. C. National Bureau of standards. 1964:940.
6Vonesh EF, Chinchilli VM. Linear and nonlinear models for the analysis of repeated mearsures. New York: Marcel Deker Inc. ,1997.
7Hedges LV, Olkin I. Statistical methods for Meta-analysis,New York: Academic Press Inc,1985.
8Frank H. Introduction to probability and statistics. United States of Amerian. 1974: 226- 257.
9Freiman J A,et al. The importance of beta:the type Ⅱ error and sample size in the design and interpretation of the randomized control trail. N Engl J Med. 1978,299(3):690.
