@conference {Ungi2011b,
	title = {Augmented Reality Needle Guidance Improves Facet Joint Injection Training},
	booktitle = {SPIE Medical Imaging},
	volume = {7964},
	number = {1},
	year = {2011},
	month = {03/2011},
	pages = {79642E 1-7},
	publisher = {SPIE},
	organization = {SPIE},
	address = {Lake Buena Vista, Florida, USA},
	doi = {10.1117/12.877830},
	url = {http://link.aip.org/link/?PSI/7964/79642E/1},
	author = {Tamas Ungi and Yeo, Caitlin T and Paweena U-Thainual and McGraw, Robert C and Gabor Fichtinger}
}
