José Luis Cabriada, et al. “Screening for Latent Tuberculosis Infection in Patients With Inflammatory Bowel Disease: Can Interferon-Gamma Release Assays Replace the Tuberculin Skin Test?”. Turkish Journal of Gastroenterology, vol. 29, no. 3, July 2019, pp. 292-8, https://tjg.avesjournals.com/index.php/tjg/article/view/3539.