Retrospective study of 77 patients harbouring lumbar synovial cysts: functional and neurological outcome. - Metellus,P.; Fuentes,S.; Adetchessi,T.; Levrier,O.; Flores-Parra,I.; Talianu,D.; Dufour,H.; Bouvier,C.; Manera,L.; Grisoli,F. (Acta Neurochir (Wien), 2006)