Ergin Soysal Ilyas Cicekli Nazife Baykal Design and evaluation of an ontology based information extraction system for radiological reports. 900-911 2010 40 Comp. in Bio. and Med. 11-12 http://dx.doi.org/10.1016/j.compbiomed.2010.10.002 db/journals/cbm/cbm40.html#SoysalCB10