References
- Fleiss, J. L. (1981). Statistical Methods for Rates and Proportions. 2nd ed. New York: Wiley.
- Fleiss, J. L. (1986). The Design and Analysis of Clinical Experiments. New York: Wiley.
- Freeman, P. (1989). The performance of the two-stage analysis of two-treatment, two-period trials. Statistics in Medicine 8:1421–1432.
- Grizzle, J. E. (1965). The two-period change-over design and its use in clinical trials. Biometrics 21:467–480.
- Hills, M., Armitage, P. (1979). The two-period cross-over clinical trial. British Journal of Clinical Pharmacology 8:7–20.
- Jones, B., Kenward, M. (2015). Design and Analysis of Cross-Over Trials. 3rd ed. London: Chapman and Hall.
- Koch, G. G., Amara, I. A., Brown, Jr., B. W., Colton, T., Gillings, D. B. (1989). A two-period crossover design for the comparison of two active treatments and placebo. Statistics in Medicine 8:487–504.
- Graybill, F. A. (1976). Theory and Application of the Linear Model. Belmont, CA: Duxbury.
- Lui, K.-J. (2015). Test equality between three treatments under an incomplete block crossover design. Journal of Biopharmaceutical Statistics 25:795–811.
- Rhind, G. B., Connaughton, J. J., McFie, J., Douglas, N. J., Flenley, D. C. (1985). Sustained release choline theophyllinate in nocturnal asthma. British Medical Journal 291:1605–1607.
- SAS Institute Inc. (2009). SAS/STAT 9.2 User's Guide, 2nd ed. Cary, NC: SAS Institute, Inc.
- Senn, S. (2002). Cross-over Trials in Clinical Research, second ed. Chichester: Wiley.
- Smith, S. J., Markandu, N. D., Sagnella, G. A., MacGregor, G. A. (1985). Moderate potassium chloride supplementation in essential hypertension: is it additive to moderate sodium restriction?. British Medical Journal 290:110–113.
- Willan, A. R., Pater, J. L. (1986). Carryover and the two-period crossover clinical trial. Biometrics 42:593–599.