3Muller J,Manz R,Hoyer J. What to do if statistical power is low? A practical strategy for pre-post-designs[J]. Psychother Psychosom Med Psychol, 2002,52(9) : 408-416.
4Bezeau S, Graves R. Statistical power and effect sizes of clinical neuropsychology research[R]. J Clin Exp Neuropsychol, 2001,23 (3) :399-406.
5Case l.D,Ambrosius WT. Power and sample size[R]. 2007,404: 377-408.
7Klirnek KM. Analysis and importance of statistical power and sample size in empirical scientific research[J]. Wiad Lek, 2008, (7):211- 215.
8Eng J. Sample size estimation: how many individuals should be studied? [J]. Radiology,2003,227(2) :309-313.
9Chow SC,Liu JP.Design and Analysis of Bioavailability and Bioequivalence Studies,Second Edition,Revised and Expanded,Maecel Dekker,INC.New York,2000:1-30,125-132.
10Department of Health and Human Services Food and Drug Administration Center for Drug Evaluation and Research(CDER).Guidance for Industry-Statistical Approachesto Establishing Bioequivalence US,2001.