9Virtanen HS, Kiilholma P. Urogynecologic ultrasound is a useful aid in the assessment of female stress urinary incontinence--a prospective study with TVT procedure. Int Urogynecol J Pelvic Floor Dysfunct,2002, 13:218
10Erickson DR. Female stress incontinence. J Urol, 2001, 165:1612