Kennelly, M., Dmochowski, R., Schulte-Baukloh, H., Ethans, K., et al. (2017). Efficacy and safety of onabotulinumtoxinA therapy are sustained over 4 years of treatment in patients with neurogenic detrusor overactivity: Final results of a long-term extension study. Neurourology and Urodynamics, 36(2), 368 - 375.

Cruz, F., Herschorn, S., Aliotta, P., Brin, M., et al. (2011). Efficacy and safety of onabotulinumtoxinA in patients with urinary incontinence due to neurogenic detrusor overactivity: A randomised, double-blind, placebo-controlled trial. European Urology, 60(4), 742 - 750.