1. Quality assurance in oncology: experiences of an ISO certification;Szentirmay;Magy Onkol,2002
2. UNI EN ISO 9000: Quality Management Systems—Fundamentals and Vocabulary. 2000; http://www.iso.org/iso/home.htm/ (April 2008, date last accessed)
3. UNI EN ISO 9001: Quality Management Systems—Requirements 2000. http://www.iso.org/iso/home.htm/ (April 2008, date last accessed)
4. UNI EN ISO 9004: Quality Management Systems—Guidelines for Performance Improvements 2000. http://www.iso.org/iso/home.htm/ (April 2008, date last accessed)