P. K. Matsuoka, R. F. Locali, A. M. Pacetta, E. C. Baracat, and J. M. Haddad, “ The efficacy and safety of urethral injection therapy for urinary incontinence in women: a systematic review ”, Clinics, vol. 71, no. 2, pp. 94–100, Feb. 2016, doi: 10.6061/clinics/2016(02)08.