@inproceedings{machinelearnedsolutionsforthreestagesof,
  title = {Machine-learned solutions for three stages of clinical information extraction: the state of the art at i2b2 2010},
  author = {Berry de Bruijn and Colin Cherry and Svetlana Kiritchenko and Joel Martin and Xiaodan Zhu},
  year = {2011},
  booktitle = {JAMIA 2011 5},
  url = {https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3168309/},
}