1. National Evidence-Based Clinical Guidelines. The management of menorrhagia in secondary care,1999
2. National Hospital Discharge Survey, 1997. CD-ROM,1997
3. Statistics Canada Health Reports,2000
4. Surgical approach to hysterectomy for benign gynaecological disease;Johnson;Cochrane Database Syst Rev.,2006
5. Hysterectomy. SOGC Clinical Practice Guidelines, No. 109, January 2002;Lefebvre;J Obstet Gynaecol Can,2002