1. http://www.accessdata.fda.gov/cdrh_docs/pdf9/K090993.pdf . ISRG (2000) K002489_daVinci _revised 510 k. Accessed 4 Jun 2013
2. http://www.accessdata.fda.gov/cdrh_docs/pdf/K011002.pdf . ISRG (2001) K011002_daVinci_Rad Prostatectomy. Accessed 4 Jun 2013
3. http://www.accessdata.fda.gov/cdrh_docs/pdf5/K050404.pdf . ISRG (2005) K050404_daVinci _gyn ecol. Accessed 4 Jun 2013
4. http://www.accessdata.fda.gov/cdrh_docs/pdf/k003431.pdf ISRG (2000) K003431_Zeus Robot. Accessed 4 Jun 2013
5. http://en.wikipedia.org/wiki/ZEUS_robotic_surgical_system