1. American Thoracic Society; Centers for Disease Control and Prevention; Infectious Diseases Society of America. American Thoracic Society/Centers for Disease Control and Prevention/Infectious Diseases Society of America: controlling tuberculosis in the United States. Am J Respir Crit Care Med 2005;172:1169-227.

2. Rose CE Jr, Zerbe GO, Lantz SO, Bailey WC. Establishing priority during investigation of tuberculosis contacts. Am Rev Respir Dis 1979;119:603-9.

3. Barnes PF, Cave MD. Molecular epidemiology of tuberculosis. N Engl J Med 2003;349:1149-56.

4. Small PM, Hopewell PC, Singh SP, Paz A, Parsonnet J, Ruston DC, et al. The epidemiology of tuberculosis in San Francisco: a population-based study using conventional and molecular methods. N Engl J Med 1994;330:1703-9.

5. McNabb SJ, Kammerer JS, Hickey AC, Braden CR, Shang N, Rosenblum LS, et al. Added epidemiologic value to tuberculosis prevention and control of the investigation of clustered genotypes of Mycobacterium tuberculosis isolates. Am J Epidemiol 2004;160:589-97.

6. Dahle UR, Nordtvedt S, Winje BA, Mannsaaker T, Heldal E, Sandven P, et al. Tuberculosis in contacts need not indicate disease transmission. Thorax 2005;60:136-7.

7. World Health Organization. Global tuberculosis control: surveillance, planning, financing. WHO Report 2004. Geneva: World Health Organization; 2004.

8. Korea Center for Disease Control and Prevention, Korean Institute of Tuberculosis. Annual report on the notified tuberculosis patients in Korea. Seoul: Korea Center for Disease Control and Prevention, Korean Institute of Tuberculosis; 2005.

9. Kamat SR, Dawson JJ, Devadatta S, Fox W, Janardhanam B, Radhakrishna S, et al. A controlled study of the influence of segregation of tuberculous patients for one year on the attack rate of tuberculosis in a 5-year period in close family contacts in South India. Bull World Health Organ 1966;34:517-32.

10. Gunnels JJ, Bates JH, Swindoll H. Infectivity of sputum- positive tuberculous patients on chemotherapy. Am Rev Respir Dis 1974;109:323-30.

11. Grzybowski S, Barnett GD, Styblo K. Contacts of cases of active pulmonary tuberculosis. Bull Int Union Tuberc 1975;50:90-106.

12. Bailey WC, Gerald LB, Kimerling ME, Redden D, Brook N, Bruce F, et al. Predictive model to identify positive tuberculosis skin test results during contact investigations. JAMA 2002;287:996-1002.

13. Leff A, Geppert EF. Public health and preventive aspects of pulmonary tuberculosis: infectiousness, epidemiology, risk factors, classification, and preventive therapy. Arch Intern Med 1979;139:1405-10.

14. Diagnostic Standards and Classification of Tuberculosis in Adults and Children. This official statement of the American Thoracic Society and the Centers for Disease Control and Prevention was adopted by the ATS Board of Directors, July 1999. This statement was endorsed by the Council of the Infectious Disease Society of America, September 1999. Am J Respir Crit Care Med 2000;161:1376-95.

15. Jick SS, Lieberman ES, Rahman MU, Choi HK. Glucocorticoid use, other associated factors, and the risk of tuberculosis. Arthritis Rheum 2006;55:19-26.

16. van Embden JD, Cave MD, Crawford JT, Dale JW, Eisenach KD, Gicquel B, et al. Strain identification of Mycobacterium tuberculosis by DNA fingerprinting: recommendations for a standardized methodology. J Clin Microbiol 1993;31:406-9.

17. Pai M, Zwerling A, Menzies D. Systematic review: T-cell-based assays for the diagnosis of latent tuberculosis infection: an update. Ann Intern Med 2008;149:177-84.

18. Verver S, Warren RM, Munch Z, Richardson M, van der Spuy GD, Borgdorff MW, et al. Proportion of tuberculosis transmission that takes place in households in a high-incidence area. Lancet 2004;363:212-4.

19. Menzies D, Pai M, Comstock G. Meta-analysis: new tests for the diagnosis of latent tuberculosis infection: areas of uncertainty and recommendations for research. Ann Intern Med 2007;146:340-54.

20. Geng E, Kreiswirth B, Driver C, Li J, Burzynski J, DellaLatta P, et al. Changes in the transmission of tuberculosis in New York City from 1990 to 1999. N Engl J Med 2002;346:1453-8.

21. Park YK, Bai GH, Kim SJ. Restriction fragment length polymorphism analysis of Mycobacterium tuberculosis isolated from countries in the western pacific region. J Clin Microbiol 2000;38:191-7.