@conference {Fischer2006b,
	title = {Laser-assisted MRI-guided needle insertion and comparison of techniques},
	booktitle = {6th Annual Meeting of the International Society for Computer Assisted Orthopedic Surgery},
	year = {2006},
	pages = {161-163},
	author = {Gregory Fischer and Christina Wamsley and James Zinreich and Gabor Fichtinger}
}
@conference {Fischer2006c,
	title = {MRI guided needle insertion - comparison of four techniques},
	booktitle = {Annual Scientific Conference of the Society of Interventional Radiology},
	year = {2006},
	author = {Gregory Fischer and Christina Wamsley and James Zinreich and Gabor Fichtinger}
}
