Eliana Castañeda, et al. “ Cost Effectiveness Analysis of Surgical Treatment of Stress Urinary Incontinence Using Single-Incision Mini-Slings Vs. Tension-Free Vaginal Obturator in Spain”. Surgical Research – Open Journal, vol. 1, no. 1, Dec. 2014, pp. 17-24, https://openventio.us/index.php/SR/article/view/236.