November 2004,
The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians,
Teresa Pusiol, and
Doriana Morichetti, and
Maria Grazia Zorzi, and
Luigi Matturri, and
Anna Maria Lavezzi