Kim, Su Hyun High Seroprevalence and Index of Anti-John-Cunningham Virus Antibodies in Korean Patients with Multiple Sclerosis. [electronic resource] - Journal of clinical neurology (Seoul, Korea) Oct 2019 - 454-460 p. digital Publication Type: Journal Article ISSN: 1738-6586 Standard No.: 10.3988/jcn.2019.15.4.454 doi