The two-period cross-over clinical trialIndependent commentarySenn, StephenAuthor informationDepartment of Statistics, University of Glasgow, Glasgow, G12 8QQ, Tel: +44(0)141 3305141, Fax: +44(0)141 3304814, E-mail: [email protected]M Hills, P Armitage. Br J Clin Pharmacol 1979; 8 (1) Jul: 7-20.British Journal of Clinical Pharmacology 58(7):p S718-S719, December 2004.Copyright © 2004 John Wiley & Sons, Ltd