An Integrated Data-Warehouse-Concept for Clinical and Biological Information. - Dominik Brammen; Christian Katzer; Rainer Röhrig; Katja Weismüller; Michael Maier; Hamid Hossain; Thilo Menges; Gunter Hempelmann; Trinad Chakraborty (MIE, 2005)

Online Guideline Assist in Intensive Care Medicine - Is the login-authentication a sufficient trigger for reminders? - Rainer Röhrig; Markus Meister; Achim Michel-Backofen; Martin Sedlmayr; Dirk Uphus; Christian Katzer; Thomas Rose 001 (MIE, 2006)

StudyAlert: From eCharts to Modern Messengers. - Florian Brenck; Achim Michel-Backofen; Christian Katzer; Nathan Smykalla; Constantin Bott; Christian Koch; Michael Sander (MedInfo, 2019)

Generating Surveillance Data for Nosocomial Infections from Routine Charting in Intensive Care Units. - Achim Michel-Backofen; Dorothee Steinke; Christian Katzer; Florian Brenck; Andreas Böning (MIE, 2020)