Fehnel S, Zografos L, Curtice T, Shah H, McLeod L. The burden of restless legs syndrome: an assessment of work productivity, sleep, psychological distress, and health status among diagnosed and undiagnosed individuals in an internet-based panel. Patient. 2008 Jul 1;1(3):201-10.
Johnson FR, Mansfield CA. Survey-design and analytical strategies for better healthcare stated-choice studies. Patient. 2008;1(4):299-307.
Ramstrand N, Brodtkorb T. Considerations for developing an evidenced-based practice in orthotics and prosthetics. Prosthet Orthot Int. 2008;32(1):93-102.