1. Multiple sclerosis: A reappraisal;McAlpine, D.; Lumsden, C.; Acheson, E.D.,1972
2. Les douleurs a type de decharge electrique consecutives a la flexion cephalique dans al sclerose en plaques;Lhermitte, J.; Bollack, J.; Nicolas, M.;Revue Neurol,1924
3. Movement phosphenes in optic neuritis: a new clinical sign;Davis, F.A.; Bergen, D.; Schauf, C.; McDonald, I.; Deutsch, W.;Neurology (Minneap),1976
4. Diagnosis and classification of multiple sclerosis;McDonald, W.I.; Halliday, A.M.;Brit Med Bull,1977
5. Periodic ataxia. Coll Pap Mayo Clin;Parker, H.L.,1946