Cirillo Domenico, Di Spiezio Sardo Attilio, Cirillo Paolo, Pellicano Massimiliano, Guida Maurizio, Nappi Carmine
Department of Gynecology and Obstetrics, University of Naples 'Federico II', Naples, Italy.
Acta Obstet Gynecol Scand. 2006;85(10):1269-71. doi: 10.1080/00016340600613550.