|
|
|
|
front |1 |2 |3 |4 |5 |6 |7 |8 |9 |10 |11 |12 |13 |14 |15 |16 |17 |18 |19 |20 |21 |22 |review |
Y-axis: annual incidence, X-axis: year |
There were evidence of an epidemic of MS in an island off Florida. What
might be responsible for this?
MS is a rare disaese, but not that rare. "Clusters" will occur by chance alone. One has to rule out chance before hypothesizing environmental candidates. |