@article {Ungi2012b,
	title = {Spinal Needle Navigation by Tracked Ultrasound Snapshots},
	journal = {IEEE Trans Biomed Eng},
	volume = {59},
	year = {2012},
	month = {10/2012},
	pages = {2766-2772},
	author = {Tamas Ungi and Purang Abolmaesumi and Rayhan Jalal and Mattea Welch and Irene Ayukawa and Simrin Nagpal and Andras Lasso and Melanie Jaeger and Daniel P. Borschneck and Gabor Fichtinger and Parvin Mousavi}
}
@article {Ungi2012a,
	title = {Ultrasound-guided spinal needle placement on open source platform},
	year = {2012},
	month = {02/2012},
	address = {Toronto, ON, Canada},
	author = {Tamas Ungi and Andras Lasso and Mattea Welch and Rayhan Jalal and Simrin Nagpal and Melanie Jaeger and Daniel P. Borschneck and Parvin Mousavi and Gabor Fichtinger}
}
