1. Case records of the Massachusetts General Hospital;Adams, R.D.; Castleman, B.;New England Jouirnal of Medicine,1960
2. Vertebral anomalies and alimentary duplications. Clinical and embryological aspects;Beardmore, H.E.; Wiglesworth, F.W.;Pediatric Clinics of North America,1958
3. Intraspinal enterogenous cyst;Brun, A.; Saldeen, T.;Acta Pathologica et Microbiologica Scandinavica,1968
4. Teratoma of the spinal cord;Bucy, P.C.; Buchanan, D.N.;Surgery, Gynecology and Obstetrics,1935
5. Malformations of the neuro-spinal axis, urogmnital tract and foregut in spina bifida attributable to disturbances of the blastopore;Cameron, A.H.;Joutrnal ofPathology and Bacteriology,1957