References
- Bankowski BJ, Hearne AE, Lambrou NC, Fox HE, Edward E. The Johns Hopkins Manual of Gynaecology and Obstetrics, 2nd edn. Philadelphia: Lippincott Williams and Wilkins; 2002: 233.
- Tjalma WAA. Abdominal apoplexy associated with levonorgestrel intrauterine system. Eur J Gynaecol Oncol 2006 (in press).