Clark, Roderick, and Blayne Welk. “The Use of Polyacrylamide Hydrogel in the Setting of Failed Female Stress Incontinence Surgery”. Canadian Urological Association Journal 12, no. 4 (December 16, 2017): 95-7. Accessed April 3, 2020. https://cuaj.ca/index.php/journal/article/view/4838.