Rousso D, Mamopoulos A, Goulis J, Mandala E, Mavromatidis G
3rd University Department of Obstetrics and Gynecology, Aristotle University of Thessaloniki, Hippokration General Hospital, Thessaloniki, Greece.
J Obstet Gynaecol. 2008 May;28(4):441-3. doi: 10.1080/01443610802164250.