O.S. Lazar, G. Kern
Digital viewing of radiological studies within a mobile computer-based ward round . GMDS 2008. 53. Jahrestagung der Deutschen Gesellschaft für Medizinische Informatik, Biometrie und Epidemiologie. Tagungsband S.365-368. Stuttgart, September 2008

D. Chernuchin, O. S. Lazar and G. Dittrich.
Comparison of Object-Oriented Approaches for Roles in Programming Languages. 2005 AAAI Fall Symposium on Roles. November 2005.

René R. Wenzel, Oliver S. Lazar
Medical Databases. MacProfiler. Issue 01/2003. Pages 42 - 47


O. S. Lazar
German Wikipedia HL7
http://de.wikipedia.org/wiki/HL7