title: Tuberculosis: old disease, new problems.
authors.forename: V
authors.initials: V
authors.lastname: Lett-Zelenka
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000150:complications*; D003428:Cross Infection / Q000517:prevention & control; D004351:Drug Resistance; D006801:Humans; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology* / Q000209:etiology / Q000635:transmission; D014481:United States / Q000453:epidemiology