5Guido M, Bortolotti F, Rugge M, et al. Is liver biopsy needed in children with chronic hepatitis? [J]. Acta Gastroenterrol Belg, 1998, 61 (2): 214-216.
6Ahmad M, Afzal S, Roshan E, et al. Usefulness of needle biopsy in the diagnosis of paediatrie liver disorder [J]. J Pak Med Assoc, 2005, 55 (1): 24-28.
7Picardi M,Muretto P, De Rosa G, et al. Color ultrasoud-guided fineneedle cutting biopsy for the characterization of diffuse liver damage in critical hone marrow transplanted patients [J] . Haematologica, 2002, 87 (6) : 652-657.
8Fjaer RB, Bruu AL, Nordbo SA. Extrahepatie bile duet atresia and viral involvement [J]. Pediatr Transplant, 2005, 9 (1): 68-73.
9Faiz Kabir Uddin Ahmed A, Ohtanl H, Nio M, et al. In situ expression of fibrogenic growth factors and their receptors in biliary atresia: comparison between early and later stages [ J ]. J Pathol, 2000, 192 (1): 73-80.