Yarnall, J.W.G. et al. The prevalence and severity of urinary incontinence in Women. Journal of Epidemiology and Community Health, 1981, 35, 71-74.
2.
IOSIF, HENDIKSSON and ULMSTEN. The frequency of disorders of the lower urinary tract as evaluated by a questionnaire surveying gynaecological health control population. ActaObster. Gynaecol. Scand., 1981, 60, 71-76.
