@article {Welch2013a,
	title = {Perk Tutor Improves Ultrasound-Guided Facet Joint Injection Training},
	year = {2013},
	month = {02/2013},
	address = {Toronto, Canada, February 4th-5th},
	keywords = {Facet joint injections, Perk Tutor},
	author = {Mattea Welch and Eric Moult and Tamas Ungi and McGraw, Robert C and Gabor Fichtinger}
}
