A Data Dictionary Approach to Multilingual Documentation and Decision Support for the Diagnosis of Acute Abdominal Pain (COPERNICUS 555, An European Concerted Action). - Christian Ohmann; Hans-Peter Eich; Heiko Sippel (MedInfo, 1998)

Data Collection in Multi-center Clinical Trials via Internet. A Generic System in Java. - Heiko Sippel; Hans-Peter Eich; Christian Ohmann (MedInfo, 1998)