@misc{W2169818249,
  author = {Prakash M. Nadkarni and Lucila Ohno‐Machado and Wendy W. Chapman},
  title = {Natural language processing: an introduction},
  year = {2011},
  howpublished = {Journal of the American Medical Informatics Association},
  doi = {https://doi.org/10.1136/amiajnl-2011-000464}
}