@inbook{1166171835, author={Vanja C. Douglas and Michael J. Aminoff}, editor={Papadakis, Maxine A. and McPhee, Stephen J. and Rabow, Michael W.}, title={Multiple Sclerosis}, booktitle={Current Medical Diagnosis and Treatment 2020}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2020}, url={accessmedicine.mhmedical.com/content.aspx?aid=1166171835} }