%0 Journal Article %T Case authoring for the class-room and web-based self-directed learning: the road from basic data to a polished case [] %A Link %A Thomas %A Aigner %A Martin %J GMS Zeitschrift f¨ır Medizinische Ausbildung %D 2007 %I German Medical Science, D¨ısseldorf %U http://www.egms.de/static/en/journals/zma/2007-24/zma000436.shtml