[Computerized tomography and magnetic resonance in the diagnosis of recurrent rectal neoplasms: comparison of reliability and errors of both methods] - Golfieri,R.; Totaro,C.; Giampalma,E.; Lalli,A.; Sbrozzi,F.; Soro,A.; Nogara,G.; Gavelli,G. (Radiol Med (Torino), 1996)