@article {Ahmad:September 2001:1091-255X:468, author = "Ahmad S.A.", author = "Bilimoria M.M.", author = "Wang X.", author = "Izzo F.", author = "Delrio P.", author = "Marra P.", author = "Baker T.P.", author = "Porter G.A.", author = "Ellis L.M.", author = "Vauthey J.N.", author = "Dhamotharan S.", author = "Curley S.A.", title = "Hepatitis B or C virus serology as a prognostic factor in patients with hepatocellular carcinoma", journal = "Journal of Gastrointestinal Surgery", volume = "5", year = "September 2001", abstract = "", pages = "468-476(9)", url = "http://www.ingentaconnect.com/content/els/1091255x/2001/00000005/00000005/art80084" doi = "doi:10.1016/S1091-255X(01)80084-6" }