1. Green PS, Piantaniada TA, Hill JW, Simon IB, and Satava RM (1991) Telepresence: dexterous procedures in a virtual operating field (Abstr) Am Surg 57: 192
2. Satava RM, Green PS (1992) The next generation: telepresence surgery ? current status and implications for endoscopy (Abstr) Gastrointest Endosc 38: 277
3. Van Dam J (1992) Three-dimensional stereoscopic endoscopy, gastrointest Endoscopy Clin NA 2: 363?76