Shuichi Toyoda Noboru Niki Hiromu Nishitani SAKURA-Viewer: Intelligent Order History Viewer Based on Two-Viewpoint Architecture. 141-152 2007 11 IEEE Transactions on Information Technology in Biomedicine 2 http://dx.doi.org/10.1109/TITB.2006.875682 db/journals/titb/titb11.html#ToyodaNN07