Tzafettas J, Papathanasiou K, Dovas D, Tolikas A, Fragkedakis N, Papaloucas C
2nd University Department of Obstetrics and Gynaecology, Hippokration Hospital, 49 Konstantinoupoleos Street, 546 42 Thessaloniki, Greece.
J Obstet Gynaecol. 2005 Jan;25(1):67-8. doi: 10.1080/01443610400025903.