Chien Alexander J, Jamadar David A, Jacobson Jon A, Hayes Curtis W, Louis Dean S
Department of Radiology, University of Michigan Hospitals, 1500 E. Medical Center Dr., Ann Arbor, MI 48109, USA.
AJR Am J Roentgenol. 2003 Jul;181(1):219-21. doi: 10.2214/ajr.181.1.1810219.