Serdal Kenan Köse, Derya Öztuna, Şehim Kutlay, Atilla Halil Elhan, Alan Tennant, and Ayşe Adile Küçükdeveci. 2010. “Psychometric Properties of the Health Assessment Questionnaire Disability Index (HAQ-DI) and the Modified Health Assessment Questionnaire (MHAQ) in Patients With Knee Osteoarthritis”. Archives of Rheumatology 25 (3):147-55. https://doi.org/10.5152/tjr.2010.19.