Stacy Gregory S, Heck Robert K, Peabody Terrance D, Dixon Larry B
Department of Radiology, The University of Chicago Hospitals, 5841 S. Maryland Ave., MC 2026, Chicago, IL 60637, USA.
AJR Am J Roentgenol. 2002 Mar;178(3):589-94. doi: 10.2214/ajr.178.3.1780589.