Doward, L. C., McKenna, S. P., Meads, D. M., Twiss, J., Revicki, D., Wong, R. L., & Luo, M. P. (2007). Translation and validation of non-English versions of the Ankylosing Spondylitis Quality of Life (ASQOL) questionnaire. BioMed Central.

Doward, Lynda C., Stephen P. McKenna, David M. Meads, James Twiss, Dennis Revicki, Robert L. Wong, and Michelle P. Luo. Translation and Validation of Non-English Versions of the Ankylosing Spondylitis Quality of Life (ASQOL) Questionnaire. BioMed Central, 2007.

Doward, Lynda C., et al. Translation and Validation of Non-English Versions of the Ankylosing Spondylitis Quality of Life (ASQOL) Questionnaire. BioMed Central, 2007.