1. Department of Health: Good practice in continence services. London, Department of Health. 2000
2. Health outcome indicators: normal pregnancy and childbirth. Report of a working group to the Department of Health. Edited by: Troop P, Goldacre M, Mason A, Cleary R. 1999, Oxford, National Centre for Health Outcomes Development.
3. Sultan AH: Clinical Focus:ric perineal injury and faecal incontinence after childbirth – Editorial: Obstetrical perineal injury and anal incontinence. Clinical Risk. 1999, 5: 193-196.
4. Assassa R, Williams K, et al: Evaluation of services for urinary dysfunction. MRC Clinical Trials Directory. 2000, 74.
5. Macarthur C, Lewis M, Knox EG: Health after childbirth: an investigation of long term health problems beginning after childbirth in 11701 women. London: HMSO,. 1991, 83-103.