![Mayo Clinic home page [logo]](/images-global/mayologo.gif)
Give. Touch. Transform.
Share this site with others using one of these sharing tools.
To link to this article, paste this block of HTML code onto your webpage.
Guidelines for sites linking to mayoclinic.orgUniversity of Sydney, Sydney, New South Wales, Australia
University of Melbourne, Melbourne, Victoria, Australia
Internal Medicine, Montreal General Hospital , Montreal, Quebec, Canada
National Multiple Sclerosis Society Fellow, Salk Institute, San Diego, CA
Education Commission for Foreign Medical Graduates (ECFMG)
Professor of Immunology
Professor of Neurology
Immunology, Paraneoplastic Disease
See a listing of publications on PubMed, a service of the National Library of medicine.
See a description of research activities.
Learn about treatment of diseases and becoming a patient. Read more about medical services.
.
