1. Uber die Cretinen, eine besondere Menschenabart in den Alpen;Ackerman,1790
2. Myelographic examination of the posterior fossa with positive contrast medium;Baker;Radiology,1963
3. Metodica e resulti nel trattamento roentgenterapico della siringomielia;Bergonzi;Minerva Radiologica,1966
4. Basilar impression (Platybasia);Chamberlain;Yale Journal of Biology and Medicine,1938
5. A case of syringomyelia treated by roentgen ray;Clymer;Archives of Neurology & Psychiatry,1922