Walter Gall Wilfried Grossmann Georg Duftschmid Thomas Wrba Wolfgang Dorda Analysis of EHRs for research, quality management and health politics. 425-430 2008 MIE http://dx.doi.org/10.3233/978-1-58603-864-9-425 conf/mie/2008 db/conf/mie/mie2008.html#GallGDWD08