Alviar, Maria Jenelyn, John H. Olver, Caroline Brand, Joanne Tropea, Thomas Hale, Marinis Pirpiris, and Fary Khan. 2011. “Do Patient-Reported Outcome Measures in Hip and Knee Arthroplasty Rehabilitation Have Robust Measurement Attributes? A Systematic Review”. Journal of Rehabilitation Medicine 43 (7):572-83. https://doi.org/10.2340/16501977-0828.