Faerber E N, Balsara R, Vinocur C D, de Chadarevian J P
Department of Radiology, St. Christopher's Hospital for Children, Temple University School of Medicine, Philadelphia, PA 19134-1095.
AJR Am J Roentgenol. 1993 Dec;161(6):1245-6. doi: 10.2214/ajr.161.6.8249734.