Nor Azlin Mohamed Ismail, Nor Natasha Ain Mohd, Sufian Seri Suniza, Mustafa Norlaila, Jamil Muhammad Abdul, Kamaruddin Nor Azmi
Department of Obstetrics and Gynaecology, Universiti Kebangsaan Malaysia, Kuala Lumpur, Jalan Yaacob Latiff, Malaysia.
Acta Obstet Gynecol Scand. 2007;86(4):407-8. doi: 10.1080/00016340601147541.