@conference {Perrin2019a,
	title = {Reproducibility of freehand calibrations for ultrasound-guided needle navigation},
	booktitle = {SPIE Medical Imaging 2019: Image-Guided Procedures, Robotic Interventions, and Modeling},
	volume = {10951},
	year = {2019},
	address = {San Diego, California},
	author = {Sydney Perrin and Zachary M C Baum and Mark Asselin and Underwood, Grace and Saleh Choueib and H. Lia and Tamas Ungi and Andras Lasso and Gabor Fichtinger}
}
