1. The Singapore Tuberculosis Elimination Programme: the first five years.;Chee;Bull World Health Organ,2003
2. 2. Ministry of Health, Singapore. Communicable Diseases Surveillance in Singapore 2011. Singapore: Ministry of Health, 2012.
3. TB Control in Singapore: the high price of diagnostic delay.;Chee;Singapore Med J,2012
4. Framework for Effective Tuberculosis Control: WHO Tuberculosis Programme.,1994
5. The effects of increasing incentives on adherence to tuberculosis directly observed therapy.;Davidson;Int J Tuberc Lung Dis,2000