TY  - RPRT
TI  - Multiple sclerosis: a geographical hypothesis.
AU  - I P Carlyle
PY  - 1997
DO  - 10.1016/s0306-9877(97)90065-7
UR  - https://pubmed.ncbi.nlm.nih.gov/9466370/
ID  - 9466370
ER  -