Patients' values and preferences of the expected efficacy of hip arthroscopy for osteoarthritis: a protocol for a multinational structured interview-based study combined with a randomised survey on the optimal amount of information to elicit preferences.
Zhang, Yuqing, Kari A O Tikkinen, Thomas Agoritsas, Olufemi R Ayeni, Paul Alexander, Maha Imam, Daniel Yoo, et al. 2014. “Patients’ Values and Preferences of the Expected Efficacy of Hip Arthroscopy for Osteoarthritis: A Protocol for a Multinational Structured Interview-Based Study Combined With a Randomised Survey on the Optimal Amount of Information to Elicit Preferences.”. BMJ Open 4 (10): e005536.