Radiologists' performance in the diagnosis of liver tumors with central scars by using specific CT criteria. - Blachar,A.; Federle,M.P.; Ferris,J.V.; Lacomis,J.M.; Waltz,J.S.; Armfield,D.R.; Chu,G.; Almusa,O.; Grazioli,L.; Balzano,E.; Li,W. (Radiology, 2002)