Original Research
Reliability and validity of Persian version of Western Ontario and McMaster Universities Osteoarthritis index in knee osteoarthritis
Bina Eftekhar-Sadat 1, Seyyed Hasan Niknejad-Hosseyni 1, Arash Babaei-Ghazani 2, Vahideh Toopchizadeh 1 * , Homayoun Sadeghi 3