1. Abdominal wall defects;Nyberg,1990
2. Fetal abdominal wall defects;Cullinan,1998
3. Ultrasound evaluation of fetal abdominal wall defects;Goncalves,1994
4. Essentials of human embryology;Larsen,1998
5. Prenatal detection of anterior abdominal wall defects with ultrasound;Emmanuel;Radiographics,1995