Lenchik Leon, Rogers Lee F, Delmas Pierre D, Genant Harry K
Department of Radiology, Wake Forest University School of Medicine, Medical Center Blvd., Winston-Salem, NC 27157-1088, USA.
AJR Am J Roentgenol. 2004 Oct;183(4):949-58. doi: 10.2214/ajr.183.4.1830949.