@ARTICLE{
author={Kovacevic Aleksandar D,Dehghan Azad,Filannino Michele,Keane John A,Nenadic Goran},
year={2013},
title={Combining rules and machine learning for extraction of temporal expressions and events from clinical narratives},
journal={JOURNAL OF THE AMERICAN MEDICAL INFORMATICS ASSOCIATION},
volume={20},
number={5},
pages={859-866},
document_type={Article},
}