4) Malkowski P, Michalowicz B, Pawlak J,: Portal vein thrombosis. Etiology, diagnosis and treatment. Pol Arch Med Wewn 92: 417-423, 1994
5) Plemmons RM, Dooley DP, Longfield RN: Septic thrombophlebitis of the portal vein (phlephlebitis): Diagnosis and management in the modern era. Clin Infect Dis 21: 1114-1120, 1995