title: XDR-TB--a global threat.
mesh_terms: D000995:Antitubercular Agents / Q000627:therapeutic use*; D024901:Drug Resistance, Multiple, Bacterial; D006801:Humans; D014376:Tuberculosis / Q000188:drug therapy* / Q000382:microbiology*
chemical_list: D000995:Antitubercular Agents