Elias D A, White L M, Rubenstein J D, Christakis M, Merchant N
Department of Diagnostic Imaging, Mount Sinai Hospital and the University Health Network, 600 University Ave., Toronto, Ontario, Canada M5G 1X5.
AJR Am J Roentgenol. 2003 Mar;180(3):627-32. doi: 10.2214/ajr.180.3.1800627.