9Abrams P, Blaivas JG, Stanton SL, et al. The standardisation of terminology of lower urinary tract function. The International Continence Society Committee on Standardisation of Terminology. Scand J Urol Nephrol Suppl 1988; 114:5-19
10Nemir A, Middleton RP. Stress incontinence in young nulliparous women; a statistical study. Am J Obstet Gynecol 1954; 68(4): 1166-8