1. Society of Surgery of the Alimentary Tract. Resolution concerning privileges to perform laparoscopic cholecistectomy. SSAT. San Antonio, 1990.
2. Statements on emerging surgical technologies and evaluation of credentials. Hult ACS 1994;6:40–41.
3. Asbun, H.J., Reddick, E.J.: Credentialing in laparoscopic surgery: A survey of physicians. J. Lap. Surg. 1992; 2:27–32.
4. Requirements for basic and advanced courses in endoscopic surgery should fulfill to become recommendation of EAES and training and assessment of competence. Executive Office of the European Association for Endoscopic Surgery. April 1993.
5. Parsa, C.J., Ogan, C.H. Jr., Barkan, H. Changing patterns of resident operative experience from 1990 to 1997. Arch. Surg. 2000. 135(5):570(3).