Dede A, Uygur D, Yilmaz B, Mungan T, Uğur M
Zekai Tahir Burak Women's Health Education and Research Hospital, Division of Perinatology, Atasehir sitesi, Block 2, No. 29, 06450, Cayyolu, Ankara, Turkey.
Int J Gynaecol Obstet. 2005 Sep;90(3):238-9. doi: 10.1016/j.ijgo.2005.05.012.