Comparison of B-mode and Conventional Colour/Power Doppler Ultrasound, Contrast-enhanced Doppler Ultrasound and Spiral CT in the Diagnosis of Focal Lesions of the Liver: Results of a Multicentre Study. - Beissert,M.; Delorme,S.; Mutze,S.; Lees,WR.; Bahner,ML.; Filimono,WS.; Gillams,AR.; Zuna,I.; Bauer,A.; Jenett,M. (Ultraschall in Med, 2002)