Hepatitis C virus infection among institutionalised psychiatric patients: a regression analysis of indicators of risk. - Cividini,A.; Pistorio,A.; Regazetti,A.; Cerino,A.; Tinelli,C.; Mancusco,A.; Ribola,A.; Galli,M.L.; Agnusdei,A.; Leone,M.; Silini,E.; Mondelli,M.U. (J. Hepatol., 1997)