2Cullen JM,Li DH,Brown C,et al.Antiviral efficacy and pharmacokinetics of oral adefovir dipivoxil in chronically woodchuck hepatitis virus-infected woodchucks.Antimicrob Agents Chemother,2001,45:2740-2745.
3Peters MG,Hann Hw H,Martin P,et al.Adefovir dipivoxil alone or in combination with lamivudine in patients with lamivudine-resistant chronic hepatitis B.Gastroenterology,2004,126:91-101.
3Juni P, Altman DG, Eger M. Assessing the quality of controlled clinical trials[J]. BMJ, 2001,323 : 42.
4Higgins JPT, Green S. Cochrane Handbook for Systematic Reviews of Interventions Version 5.0.0[updated February 2008]. The Cochrane Collaboration, 2008.
5Higgins JPT, Thompson SG. Quantifying heterogeneity in a meta-analysis[J]. Stat Med, 2002,21 ( 11 ) : 1 539.