1. Design of comparative experiments;Bailey,2008
2. The balanced incomplete block design is not suitable for the evaluation of complex interventions;Trietsch;J Clin Epidemiol,2014
3. Statistical methods in medical research;Armitage,1987
4. Application of a Latin square experimental design in health services research: estimation of the effects of setting clinical standards and performance review on the process and outcome of care in general practice;Steen,1997
5. SF-36 physical and mental health summary scales: a user's manual;Ware,1994