@article{vassallo_limper_2002, 
  title={Pulmonary Langerhans' Cell Histiocytosis}, 
  volume={23}, 
  DOI={10.1055/s-2002-25299}, 
  publisher={Georg Thieme Verlag KG}, 
  author={Vassallo and Limper}, 
  year={2002}
  }