Jacques Bouaud Brigitte Séroussi Baptiste Touzet Abstracting the Patient Therapeutic History through a Heuristic-Based Qualtitative Handling of Temporal Indeterminacy. 46-50 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2780&spage=46 2003 conf/aime/2003 AIME db/conf/aime/aime2003.html#BouaudST03