Semipermeable dressing used to cover smallpox vaccination sites as a cause of skin damage.

@article{Crittenton2004SemipermeableDU,
  title={Semipermeable dressing used to cover smallpox vaccination sites as a cause of skin damage.},
  author={Elaine Crittenton and Alonzo Davis and Karen K Hoffmann and William A. Rutala and David J. Weber},
  journal={Infection control and hospital epidemiology},
  year={2004},
  volume={25 2},
  pages={96}
}