Yersinia infection as a cause of erythema nodosum.

@article{Helander1973YersiniaIA,
  title={Yersinia infection as a cause of erythema nodosum.},
  author={I Helander and L Olkkonen and V K Hopsu-havu},
  journal={Zeitschrift fur Haut- und Geschlechtskrankheiten},
  year={1973},
  volume={48 10},
  pages={399-404}
}