"Ancient descriptions of movement disorders: Cathedral el Burgo de Osma (Soria, Spain)". J. Neurol.253 (6): 731–4. June 2006. doi:10.1007/s00415-006-0100-8. பப்மெட்:16511653.
"Ancient descriptions of movement disorders: Cathedral el Burgo de Osma (Soria, Spain)". J. Neurol.253 (6): 731–4. June 2006. doi:10.1007/s00415-006-0100-8. பப்மெட்:16511653.