@article {1498820,
	title = {Feature engineering combined with machine learning and rule-based methods for structured information extraction from narrative clinical discharge summaries},
	journal = {Journal of the American Medical Informatics Association},
	volume = {19},
	number = {5},
	year = {2012},
	pages = {824-832},
	url = {https://doi.org/10.1136/amiajnl-2011-000776},
	author = {Xu, Yan and Kai Hong and Junichi Tsujii and Eric I-Chao Chang}
}
