1) Hannestad YS, et al.:A community-based epidemiological survey of female urinary incontinence:The Norwegian EPINCONT Study. Epidemiology of Incontinence in the County of Nord-Trondelag. J Clin Epidemiol 53:1150-1157, 2000
3) Hunskaar S, et al.:Epidemiology and natural history of urinary Incontinence In women. Urology 62:16-23, 2003
4) Abrams P, et al.: Standardization sub-committee of the International Continence Society:The standardization of terminology of lower urinary tract function:Report from the standardization sub-committee of the International Continence Society. Neurourol Urodyn 21:167-178, 2002