[辅助检查]八、参考文献

Ladd EA and Hammer SM ﹒ Didanosine and zidovudine resistance patterns in clinical isolates of human immunodefi‐ciency virus type 1 as determined by a replication endpoint assay ﹒ Antimi‐crob Agents Chemother 36 ∶ 920～5，1992.And Richman DD for the AIDS Cli ......