@book{21558,
	author = {Schmidt, Guenter.},
	title = {Ultrasound /},
	publisher = {Thieme,},
	year = {c2007.},
	address = {Stuttgart ;},
	note = {"Authorized and revised translation of the 3rd German edition published and copyrighted 2005"--T.p. verso.},
	url = {http://www.loc.gov/catdir/toc/ecip0620/2006029778.html}
}