TY  - RPRT
TI  - Multiple sclerosis: genetic background versus environment.
AU  - S Ragheb
AU  - R P Lisak
PY  - 1993
DO  - 10.1002/ana.410340402
UR  - https://pubmed.ncbi.nlm.nih.gov/7692806/
ID  - 7692806
ER  -