1. Latent Tuberculosis Infection;World Health Organization,2016
2. Latent Mycobacterium tuberculosis infection;Getahun;N. Engl. J. Med.,2015
3. Tuberculosis - United States, 2016;Schmit;MMWR Morb. Mortal. Wkly. Rep.,2017
4. US Department of Health and Human Services, Healthy People 2020, https://www.healthypeople.gov/2020/topics-objectives/topic/Immunization-and-Infectious-Diseases/objectives#4698, Accessed date: 28 March 2018.
5. Tuberculosis trends-United States, 2014;Scott;MMWR Morb. Mortal. Wkly. Rep.,2015