Conducting a two-stage preference trial: Utility and challenges.

Authors: Sidani, S., Fox, M., & Epstein, D. (2015).

Sidani, S., Fox, M., & Epstein, D. (2015). Conducting a two-stage preference trial: Utility and challenges. International Journal of Nursing Studies, 52(5),1017-1024.

http://doi.org/10.1016/j.ijnurstu.2015.02.006