title: Genotype testing for all HIV patients, study suggests. Resistance is 18 percent overall.
mesh_terms: D024882:Drug Resistance, Viral / Q000235:genetics*; D005260:Female; D005838:Genotype; D006678:HIV / Q000235:genetics*; D015658:HIV Infections / Q000821:virology*; D006801:Humans; D008297:Male; D009154:Mutation