1. Global Tuberculosis Programme: treatment of tuberculosis,1997
2. World Health Organization. WHO press release, 21 March 1997; WHO/24.
3. Directly observed therapy for treatment completion of pulmonary tuberculosis: consensus statement of the Public Health Tuberculosis Guidelines Panel;Chaulk;JAMA,1998
4. Promoting adherence to tuberculosis treatment. Cochrane Library (CDRom and Online), Cochrane Collaboration; Issue 3;Volmink,1998
5. Directly observed therapy for tuberculosis: the Harlem Hospital experience, 1993;El-Sadr;Am J Publ Health,1996