Halil Aslan*, Halil Yanik, Nurgul Celikaslan, Gokhan Yildirim and Yavuz Ceylan
* Corresponding author: Halil Aslan aa5712310@isbank.net.tr
BMC Pregnancy and Childbirth 2001, 1:8 doi:10.1186/1471-2393-1-8