Gallbladder Stones

References

  1. Dubois F., Berthelot G., Levard H. (1991) Laparoscopic cholecystectomy: historic perspective and personal experience. Surg. Laparosc. Endosc.1: 52-7.
  2. Wapler M.(1995) Medical manipulators- a realistic concep? Min.Inv.Ther. 4:261-6.