1. Time for a change? Updated guidelines using interferon gamma release assays for detection of latent tuberculosis infection in the office setting 
Marisa Kardos, BS, Alexa Boer Kimball, MD, MPH 
Journal of the American Academy of Dermatology 
Volume 66, Issue 1, Pages (January 2012)
DOI: /j.jaad
Copyright © 2011 American Academy of Dermatology, Inc. Terms and Conditions

2. Fig 1
Summary of recommendations as adapted from Centers for Disease Control and Prevention updated guidelines 2010.
Journal of the American Academy of Dermatology  , DOI: ( /j.jaad )
Copyright © 2011 American Academy of Dermatology, Inc. Terms and Conditions

3. Fig 2
Situations when results from both interferon gamma release assay and tuberculin skin test might be useful.
Journal of the American Academy of Dermatology  , DOI: ( /j.jaad )
Copyright © 2011 American Academy of Dermatology, Inc. Terms and Conditions