TY  - RPRT
TI  - Cluster studies in multiple sclerosis.
AU  - T Riise
PY  - 1997
DO  - 10.1212/wnl.49.2_suppl_2.s27
UR  - https://pubmed.ncbi.nlm.nih.gov/9270690/
ID  - 9270690
ER  -