Antiviral Activity of and Resistance to Lamivudine in Combination With Zidovudine, Stavudine, or Didanosine [clinicaltrials:NCT00000838]

Antiviral Activity of and Resistance to Lamivudine in Combination With Zidovudine, Stavudine, or Didanosine [clinicaltrials:NCT00000838]