Weishaupt Dominik, Pfammatter Thomas, Hilfiker Paul R, Wolfensberger Ursula, Marincek Borut
Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, Switzerland.
AJR Am J Roentgenol. 2002 Feb;178(2):399-401. doi: 10.2214/ajr.178.2.1780399.