Ketchum Eric S, Zamanian Roham T, Fleischmann Dominik
Department of Radiology, Thoracic Imaging Section, Stanford University Medical Center, 300 Pasteur Dr., Rm. S-072, Stanford, CA 94305-5105, USA.
AJR Am J Roentgenol. 2005 Aug;185(2):330-2. doi: 10.2214/ajr.185.2.01850330.