1. Spina bifida cystica of the pelvis;Adson;Minn Med,1938
2. Anterior sacral meningocele: a presentation of three cases;Anderson;JAMA,1977
3. Anterior sacral meningocele;Brown;J Neurosurg,1945
4. Anterior sacral meningoceles;DeKlerk;S Afr Med J,1978
5. Tethered spinal cord following meningomyelocele repair;Heinz;Neuroradiology,1979