1. Epidermoid spinal cord tumours and previous lumbar puncture;Shaywitz, B.A.;J Pediatr,1972
2. Practical procedures in children (2). Hospital Update;Lissauer, T.,1982
3. Neurosurgery of infancy and childhood;Ingraham, F.D.; Matson, D.D.,1954
4. Intraspinal tumors of childhood;Rand, R.W.; Rand, C.W.,1960
5. In the Oxford Region Child Development Project, health visitors apply standardised screening procedures to all infants weighingless than 2000 g, and to those who required special care in the neonatal period for more than 24 hours. The results are relayed centrally to the project office, together with the results of diagnostic referral, so that the number of individual children with specific disabilities in this geographically defined population can be documented. Because of our concern to acknowledge the confidential nature of this information, and because it involves transfer of information from the health services to a research project, it was important to seek the permission of parents for this transfer according to the principles set out in the report of the British Medical Association's Central Ethical Committee;1