@article{ Liu:2006:umb,
                author          = "W. Liu, J. A. Zagzebski, T. Varghese, C. R. Dyer, U. Techavipoo and T. J. Hall",
		title		= "Segmentation of Elastographic Images using a Coarse-to-Fine Active Contour Model",
		journal		= "Ultrasound in Medicine and Biology",
		volume		= 32,
		number		= 3,
		pages		= {397--408},
                year            = 2006 }