KoreaMed, a service of the Korean Association of Medical Journal Editors (KAMJE), provides access to articles published in Korean medical, dental, nursing, nutrition and veterinary journals. KoreaMed records include links to full-text content in Synapse and publisher web sites.
BACKGROUND: The tuberculin skin test (TST) has limitations in diagnosing a latent tuberculosis infection (LTBI). The interferon-gamma release assay (IGRA) was introduced to middle- and high-school students since 2009 by...