Jiangbo Dang Amir Hedayati Ken Hampel Candemir Toklu An ontological knowledge framework for adaptive medical workflow. 829-836 2008 41 Journal of Biomedical Informatics 5 http://dx.doi.org/10.1016/j.jbi.2008.05.012 db/journals/jbi/jbi41.html#DangHHT08