1. Mail and internet surveys: The tailored design method 2007 update with new internet, visual, and mixed-mode guide;Dillman,2007
2. SF-36 health survey: Manual and interpretation guide;Ware,1993
3. Measuring health status with the SF-36: the need for regional norms;Lyons;J Pub Health Med,1995
4. Are health-related quality-of-life measures affected by the mode of administration?;Weinberger;J Clin Epidemiol,1996
5. SF-36 scores vary by method of administration: implications for study design;Lyons;J Pub Health Med,1999