Quellen
•http://www.smi.stanford.edu/projects/intermed-web/guidelines/GLIF3/GLIF_Tutorial.pdf
•T.-Y. Leong, K. Kaiser, S. Miksch: Free and Open Source Enabling Technologies for Patient-Centric, Guideline-Based Clinical Decision Support: A Survey
•http://www.openclinical.org/ 
•http://www.bui.haw-hamburg.de/pers/ulrike.spree/ws0809/Handout19.11.doc
•Getting Started with Protégé-Frames (http://protege.stanford.edu/doc/tutorial/get_started/table_of_content.html )
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