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Liénard systems and their generalized forms are classical and important models of nonlinear oscillators, and have been widely studied by mathematicians and scientists. The main problem considered is the maximal number of limit cycles that the system can have. In this paper, two types of symmetric polynomial Liénard systems are investigated and the maximal(More)
Between January 1985 and December 1994, 164 liver transplantations were performed on 141 children. There were 100 reduced-size and 64 whole-liver grafts. Primary closure of the abdominal wound was not possible in 21 patients because of liver size, bowel edema, and distension. Temporary SILASTIC patch closure of the abdominal wound was used. For 16 of the 21(More)
Better outcomes of the patients receiving liver transplantation for viral hepatitis and hepatocellular carcinoma (HCC) are achieved by improved patient selection and perioperative treatment with antiviral agents including lamivudine, ribavirin and interferon. Patient selection is accomplished by high-quality imaging as well as exclusion of patients with(More)
Patient outcomes in transplantation would improve if dosing of immunosuppressive agents was individualized. The aim of this study is to develop a population pharmacokinetic model of tacrolimus in adult liver transplant recipients and test this model in individualizing therapy. Population analysis was performed on data from 68 patients. Estimates were sought(More)
The objective of this study was to evaluate the safety and efficacy of adult-to-adult living donor liver transplantation, specifically donor outcomes. A systematic review, with searches of the literature up to January 2004, was undertaken. Two hundred and fourteen studies provided information on donor outcomes. The majority of these were case series(More)
BACKGROUND/AIMS Liver sinusoids contain a large population of spontaneously cytotoxic cells (NK cells), CD8+ T cells and macrophages. The physiological role of these leucocytes remains unclear. They may participate in immune surveillance and peripheral tolerance by deleting tumour cells, virus-infected cells and activated T cells as they traffic through the(More)