title: HE2000 shows efficacy.
mesh_terms: D000818:Animals; D019380:Anti-HIV Agents / Q000494:pharmacology*; D004195:Disease Models, Animal; D015507:Drugs, Investigational / Q000494:pharmacology; D000882:Haplorhini; D019259:Lamivudine / Q000008:administration & dosage; D019438:Ritonavir / Q000008:administration & dosage; D016097:Simian Acquired Immunodeficiency Syndrome / Q000188:drug therapy* / Q000821:virology; D016019:Survival Analysis; D019562:Viral Load; D015215:Zidovudine / Q000008:administration & dosage
chemical_list: D019380:Anti-HIV Agents; D015507:Drugs, Investigational; D019259:Lamivudine; D015215:Zidovudine; D019438:Ritonavir