@INPROCEEDINGS{Patrick-Li:2009:ALTA2009,
  author = {Jon Patrick and Min Li},
  title = {A Cascade Approach to Extracting Medication Events},
  booktitle = {Proceedings of the Australasian Language Technology Association Workshop	2009},
  year = {2009},
  pages = {99--103},
  address = {Sydney, Australia},
  month = {December},
  url     = {http://www.aclweb.org/anthology/U09-1014},
  urlALTA = {http://www.alta.asn.au/events/alta2009/pdf/ALTA2009_13.pdf}
}