Koenig T R, Loyer E M, Whitman G J, Raymond A K, Charnsangavej C
Department of Radiology, The University of Texas-Houston Medical School, 6431 Fannin St., Houston, TX 77030, USA.
AJR Am J Roentgenol. 2001 Nov;177(5):1090. doi: 10.2214/ajr.177.5.1771090.