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References
- ↑ Diagnostic Standards and Classification of Tuberculosis in Adults and Children. Am. J. Respir. Crit. Care Med., Volume 161, Number 4, April 2000, 1376-1395. 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. Class 0-5 are explained on pages 1391-1392.
- ↑ CDC Immigration Requirements: Technical Instructions for Tuberculosis Screening and Treatment. October 1, 2009. Classifications, see pages 21-22.
- ↑ Revised CDC TB Classification system for overseas screening of immigrants and Refugees with Class B1/B2 TB Conditions Archived 2011-07-08 at the Wayback Machine . State of Wisconsin, Department of Health Services, Division of Public Health, International Health and Respiratory Disease Unit, Bureau of Communicable Diseases and Emergency Response. September 29, 2009. Accessed 2011-07-27.