Affiliation: | (1) Department of Obstetrics and Gynecology, Ankara Dr Zekai Tahir Burak Women Health Teaching and Research Hospital, 7.Cadde 70 A/14, 06490 Bahcelıevler, Ankara, Turkey;(2) Department of Clinical Chemistry, Taksim Teaching and Research Hospital, Istanbul, Turkey;(3) Department of Biochemistry, Fikret Biyal Central Research Laboratory, Cerrahpasa School Medicine, İstanbul University, Istanbul, Turkey |