1Amaral JF. The experimental development of an ultrasonically activated scalpel for laparoscopic use. Surg Laparosc Endosc,1994,4:92-99.
2Amaral JF. Laparoscopic cholecystectomy in 200 consecutive patients using an ultrasonically activated scapel. Surg Laparosc Endosc,1995,5:255-262.
3Hoenig DM, Chrostek CA, Amaral JF. Laparosonic coagulating shears:alternative method of hemostatic control of unsupported tissue. J Endourol,1996,10:431-433.
4Tomita Y, Koike H, Takahashi K, et al. Use of the harmonic scapel for nephron sparing surgery in renal cell carcinoma. J Urol,1998,159:2 063-2 064.
5Psacioglu H, Atay Y, Cetindag B, et al. Easy harvesting of radial artery with ultrasonically activated scapel. Ann Thorac Surg,1998,65:984-985.
