Welk, Blayne, Kevin Carlson, and Richard Baverstock. “A Pilot Study of the Responsiveness of the Neurogenic Bladder Symptom Score (NBSS)”. Canadian Urological Association Journal 11, no. 12 (November 1, 2017): 376–8. Accessed March 28, 2024. https://cuaj.ca/index.php/journal/article/view/4833.