- GI Jahrestagung 2, volume 110 of LNI, page 302-308. GI, (2007)
- JAMIA 12(2):217-224 (2005)
- BMJ 324(7339):710 (2002)
- BMJ 319(7206):358--361 (August 1999)
- Am Fam Physician 69(3):548--556 (February 2004)
- Software Process: Improvement and Practice 13(4):301-309 (2008)
- Proceedings of the Fifth International Conference on Information Technology: New Generations ITNG 2008, page 438-446. Las Vegas, USA, IEEE Computer Society, (April 2008)
- J Am Med Inform Assoc. 12(2):217--224 (2005)
- British Medical Journal 321(7258):429--432 (2000)
- Computers & Graphics 22(4):505-513 (1998)


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