@article{&na;_1881, 
  title={Modifications and Improvements in the Bloodless Method of performing Surgical Operations}, 
  volume={81}, 
  DOI={10.1097/00000441-188101000-00063}, 
  number={161}, 
  publisher={Elsevier BV}, 
  author={&NA;}, 
  year={1881}
  }