Seggerman Richard E, Chen Michael Y, Waters Gregory S, Ott David J
Department of Radiology, Wake Forest University School of Medicine, Medical Center Blvd., Winston-Salem, NC 27157-1088, USA.
AJR Am J Roentgenol. 2003 Apr;180(4):999-1002. doi: 10.2214/ajr.180.4.1800999.