Detection of Liver Metastases with Superparamagnetic Iron Oxide in 15 Patients: Results of MR Imaging at 1.5 T. - Marchal,G.; van Hecke,P.; Demaerel,P.; Decrop,E.; Kennis,C.; Baert,A.L.; van der Schueren,E. (AJR, 1989)