Albrecht T, Cosgrove D O, Correas J M, Rallidis L, Nihoyanopoulos P, Patel N
Department of Radiology, Hammersmith Hospital, Royal Postgraduate Medical School, London, England.
Acad Radiol. 1996 Aug;3 Suppl 2:S198-200. doi: 10.1016/s1076-6332(96)80533-2.