World Health Organization. Treatment of Tuberculosis: Guidelines for National Programmes, WHO/TB/97.220, 2nd edn. Geneva: World Health Organization, 1997.
2.
TomanK. Tuberculosis. In: Case-Finding and Chemotherapy: Questions and Answers. Geneva: WHO, 1979.
3.
HarriesADKamenyaASubramanyamVR. Screening pulmonary tuberculosis suspects in Malawi: testing different strategies. Trans R Soc Trop Med1997;91:416–19.