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Reichler MR, Khan A, Yuan Y, Chen B, McAuley J, Mangura B, Sterling TR. Duration of Exposure Among Close Contacts of Patients With Infectious Tuberculosis and Risk of Latent Tuberculosis Infection. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America. 2020 Feb 11.
Predictors of latent tuberculosis infection (LTBI) among close contacts of persons with infectious tuberculosis (TB) are incompletely understood, particularly the number of exposure hours.