Martin S, Shah SN, Hepp Z, Harris N, Morgans AK. Qualitative analysis of pain in patients with locally advanced or metastatic urothelial carcinoma. Bladder Cancer. 2022 Mar 11;8(1):45-53. doi: 10.3233/BLC-211518
McKenna SP, Doward LC. How should we measure quality of life in ankylosing spondylitis? Rheumatol Pract. 2008;6(2):12-4.