1. Johnson LH (1970) Pregnancy associated with an anterior sacral meningocele: case report. South Med J 63: 432–434
2. Kofinas AD, Hatjis CG, Ernest JM, Parker RL Jr (1987) Anterior sacral meningocele in pregnancy. Obstet Gynecol 69: 441–444
3. Nyberg DA, Mack LA, Langer JC (1990) The spine and neural tube defects. In: Nyberg DA, Mahoney BS, Pretorius DH (eds) Diagnostic ultrasound of fetal anomalies: text and atlas. Mosby Year Book, St. Louis, pp 182–187
4. Klenermann L, Merrick MV (1973) Anterior sacral meningocele occurring in a family. J Bone Joint Surg 55B: 331
5. Vogel EH (1970) Anterior sacral meningocele as a gynecologic problem. Report of a case. Obstet Gynecol 36: 766–768