title: Facing extensively drug-resistant tuberculosis--a hope and a challenge.
authors.forename: Mario C
authors.initials: MC
authors.lastname: Raviglione
mesh_terms: D000995:Antitubercular Agents / Q000627:therapeutic use*; D023801:Directly Observed Therapy; D054908:Extensively Drug-Resistant Tuberculosis / Q000188:drug therapy*; D018023:HIV Seronegativity; D006801:Humans; D016896:Treatment Outcome
chemical_list: D000995:Antitubercular Agents