@article{roberts_evolution_2006,
	title = {Evolution of surgical skills training},
	volume = {12},
	issn = {1007-9327},
	number = {20},
	journal = {World Journal of Gastroenterology},
	author = {Roberts, Kurt E and Bell, Robert L and Duffy, Andrew J},
	year = {2006},
	pages = {3219}
}