@article {Holden2013a,
	title = {Real-Time Workflow Segmentation for Needle-Based Interventions},
	year = {2013},
	month = {02/2013},
	address = {Toronto, ON, Canada},
	author = {M. Holden and Tamas Ungi and Sargent, D. and McGraw, Robert C and Elvis C. S. Chen and Sugantha Ganapathy and T. M. Peters and Gabor Fichtinger}
}
@article {Ungi2012c,
	title = {Perk Tutor: An open-source training platform for ultrasound-guided needle insertions},
	journal = {IEEE Trans Biomed Eng},
	volume = {59},
	year = {2012},
	month = {12/2012},
	pages = {3475-3481},
	issn = {0018-9294},
	doi = {10.1109/TBME.2012.2219307},
	url = {http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6304910},
	author = {Tamas Ungi and Sargent, D. and Eric Moult and Andras Lasso and Csaba Pinter and McGraw, Robert C and Gabor Fichtinger}
}
@conference {Holden2012a,
	title = {Surgical Motion Characterization in Simulated Needle-Insertion Procedures},
	booktitle = {SPIE Medical Imaging 2012},
	year = {2012},
	month = {02/2012},
	pages = {8316-31},
	address = {San Diego, California, USA},
	keywords = {Lumbar Puncture, Markov Models, Needle trajectories, Simulated procedures, Task segmentation},
	doi = {http://dx.doi.org/10.1117/12.911003},
	author = {M. Holden and Tamas Ungi and Sargent, D. and McGraw, Robert C and Gabor Fichtinger}
}
