Multiple sclerosis in rural Norway its geographic and occupational incidence in relation to nutrition.

@article{Swank1952MultipleSI,
  title={Multiple sclerosis in rural Norway its geographic and occupational incidence in relation to nutrition.},
  author={Roy Laver Swank and O LERSTAD and A Str\om and J BACKER},
  journal={The New England journal of medicine},
  year={1952},
  volume={246 19},
  pages={722-8}
}