Analysis and Modelling of the Multi-Professional Treatment Process: Preliminary Results. - Frauke Ehlers; Elske Ammenwerth; Reinhold Haux; Ulrike Pohl; Franz Resch (MedInfo, 2001)

Design and Development of a Monitoring System to Assess the Quality of Hospital Information Systems: Concept and Structure. - Frauke Ehlers; Elske Ammenwerth; Bernhard Hirsch (MIE, 2005)

HIS-Monitor: Quality of Information Processing in Hospitals. - Elske Ammenwerth; Frauke Ehlers; Bernhard Hirsch; Gordon Gratl; Christof Machan (MIE, 2006)

HIS-Monitor: An approach to assess the quality of information processing in hospitals. - Elske Ammenwerth; Frauke Ehlers; Bernhard Hirsch; Gordon Gratl (Int. J. Medical Informatics, 2007)

Effect of a nursing information system on the quality of information processing in nursing: An evaluation study using the HIS-monitor instrument. - Elske Ammenwerth; Franz Rauchegger; Frauke Ehlers; Bernhard Hirsch; Christine Schaubmayr (Int. J. Medical Informatics, 2011)