[Description of a series of hospital patients with a spinal fistula]. - Garcia-Cabo C; Morales-Deza ES; Martinez-Rodriguez L; Murias-Quintana E; Perez-Alvarez A; Martinez-Ramos J; Vega-Valdes P; Suarez-Santos P; Garcia-Rua A; Moris G (Revista de neurologia, 2016)