求助文献一篇，多谢

【作者(必填)】Raboud JM, Montaner JS, Rae S, Kahn J, Hammer SM, Katzenstein DA, Pavia A, Dolin R, Hughes MD, Cross A, Beltangady M, Gatell J, Dunkle L, Smaldone L

【文题(必填)】Meta-analysis of five randomized controlled trials comparing continuation of zidovudine versus switching to didanosine in HIV-infected individuals.

【年份(必填)】1997

【全文链接或数据库名称(选填)】http://www.ncbi.nlm.nih.gov/pubmed/11327443