Park EM, Wang M, Bowers SM, Muriel AC, Rauch PK, Edwards T, Yi SM, Daniel B, Hanson LC, Song M-K. Adaptation and psychometric evaluation of the parenting concerns questionnaire-advanced disease. Am J Hosp Palliat Care. 2021 Oct 7. doi: 10.1177/10499091211049801
McKenna S, Doward LC. Measuring quality of life in ankylosing spondylitis. Best Pract Res Clin Rheumatol. 2008 Jan 1;6(2):12-4.