@book{42649,
	author = {Kremkau, Frederick W., and Forsberg, Flemming,},
	title = {Sonography :},
	edition = {Ninth edition},
	url = {https://www.dawsonera.com/guard/protected/dawson.jsp?name=https://passport01.leeds.ac.uk/idp/shibboleth&dest=http://www.dawsonera.com/depp/reader/protected/external/AbstractView/S9780323322720}
}