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Di Legge A, Testa AC, Ameye L, Van Calster B, Lissoni AA, Leone FP, Savelli L, Franchi D, Czekierdowski A, Trio D, Van Holsbeke C, Ferrazzi E, Scambia G, Timmerman D, Valentin L.Di Legge A, et al. Among authors: testa ac.Ultrasound Obstet Gynecol. 2012 Sep;40(3):345-54. doi: 10.1002/uog.11167. Epub 2012 Aug 7.Ultrasound Obstet Gynecol. 2012.PMID: 22611001Free article.