title: The global burden of tuberculosis--combating drug resistance in difficult times.
authors.affiliation: Department of Paediatrics and Child Health, Faculty of Health Sciences, University of Stellenbosch, Stellenbosch, South Africa.
authors.forename: Peter R
authors.initials: PR
authors.lastname: Donald
authors.forename: Paul D
authors.initials: PD
authors.lastname: van Helden
mesh_terms: D054908:Extensively Drug-Resistant Tuberculosis / Q000517:prevention & control; D014943:Global Health; D006285:Health Planning; D006801:Humans; D015995:Prevalence; D018088:Tuberculosis, Multidrug-Resistant / Q000453:epidemiology / Q000517:prevention & control*