Latent tuberculosis infection among health-care workers using Quantiferon-TB Gold-Plus in a country with a low burden for tuberculosis: prevalence and risk factors oleh Abdulellah Almohaya, Abdulwahab Aldrees, Layan Akkielah, Alshaima Talal Hashim, Fahad Almajid, Turki Binmoammar, Mazin A. Barry