Rivard Douglas C, Lowe Lisa H
Department of Radiology, Children's Mercy Hospitals and Clinics and the University of Missouri-Kansas City, 2401 Gillham Rd., Kansas City, MO 64108, USA.
AJR Am J Roentgenol. 2008 Jun;190(6 Suppl):S46-52. doi: 10.2214/AJR.07.7002.