TY  - RPRT
TI  - Viral infections trigger multiple sclerosis relapses: a prospective seroepidemiological study.
AU  - O Andersen
AU  - P E Lygner
AU  - T Bergström
AU  - M Andersson
AU  - A Vahlne
PY  - 1993
DO  - 10.1007/bf00867354
UR  - https://pubmed.ncbi.nlm.nih.gov/8410082/
ID  - 8410082
ER  -