1. Division of Perinatology, Department of Obstetrics and Gynecology,
Etlik Zubeyde Hanim Women′s Health Care, Training and Research Hospital,
Ankara, Turkey
2. Department of Anesthesiology, Etlik Zubeyde Hanim Women′s
Health Care, Training and Research Hospital, Ankara, Turkey
3. Division of Perinatology, Department of Obstetrics and Gynecology,
Turkish Ministry of Health, Ankara City Hospital, University of Health Sciences,
Ankara, Turkey
4. Department of Obstetrics and Gynecology, Turkish Ministry of Health,
Ankara City Hospital, University of Health Sciences, Ankara,
Turkey