Fuchs Ilka B, Henrich Wolfgang, Brauer Martin, Stöver Brigitte, Guschmann Michael, Degenhardt Petra, Dudenhausen Joachim W
Department of Obstetrics, Charité, Campus Virchow-Clinic Berlin, Berlin, Germany.
J Ultrasound Med. 2003 Aug;22(8):823-7; quiz 828-9. doi: 10.7863/jum.2003.22.8.823.