1. The Failed Back Syndrome;Wilkinson,1983
2. Ueber Lumbalpunction;Quinke;Berlin Klin Wochenschr,1891
3. Roentgenography of the brain after the injection of air into the spinal canal;Dandy;Ann Surg,1919
4. Méthode general d’éxploration radiologique parl'huide iodée (Lipiodol);Sicard;Bull Med Soc Hôp Paris,1992
5. Thorium dioxide myelopathy;Dale;JAMA,1967