title: Resistance testing grows more prevalent in U.S.
mesh_terms: D019380:Anti-HIV Agents / Q000494:pharmacology* / Q000627:therapeutic use; D004352:Drug Resistance, Microbial; D005838:Genotype; D015658:HIV Infections / Q000188:drug therapy / Q000821:virology*; D015497:HIV-1 / Q000187:drug effects* / Q000235:genetics; D008826:Microbial Sensitivity Tests; D010641:Phenotype; D019562:Viral Load
chemical_list: D019380:Anti-HIV Agents