title: Impact of HIV genotyping and drug levels on the response to salvage therapy with saquinavir/ritonavir.
mesh_terms: D018791:CD4 Lymphocyte Count; D004334:Drug Administration Schedule; D004352:Drug Resistance, Microbial; D005838:Genotype; D015658:HIV Infections / Q000188:drug therapy / Q000378:metabolism* / Q000821:virology; D017320:HIV Protease Inhibitors / Q000493:pharmacokinetics* / Q000627:therapeutic use; D015497:HIV-1 / Q000187:drug effects / Q000235:genetics*; D006801:Humans; D019469:Indinavir / Q000493:pharmacokinetics* / Q000627:therapeutic use; D008297:Male; D015337:Multicenter Studies as Topic; D009154:Mutation; D010949:Plasma; D011446:Prospective Studies; D012367:RNA, Viral / Q000097:blood; D019258:Saquinavir / Q000493:pharmacokinetics* / Q000627:therapeutic use
chemical_list: D017320:HIV Protease Inhibitors; D012367:RNA, Viral; D019469:Indinavir; D019258:Saquinavir