Jorulf H, Hesser U, Gordon L, Lindell T, Frenckner B, Molander M L, Hosseini A
Department of Radiology, St. Göran Children's Hospital, Karolinska Institute, Stockholm, Sweden.
Acad Radiol. 1996 Apr;3 Suppl 1:S54-6. doi: 10.1016/s1076-6332(96)80484-3.