Maruotti Giuseppe M, Agangi Annalisa, Napolitano Raffaele, Mazzarelli Laura L, Quaglia Filomena, Carbone Ilma F, D'Armiento Maria R, Martinelli Pasquale
Prenatal Diagnosis Unit, Department of Gynecology and Obstetrics, University Federico II, Naples, Italy.
J Ultrasound Med. 2009 Mar;28(3):385-8. doi: 10.7863/jum.2009.28.3.385.