“Factors Associated With Culture Conversion Among Adults Treated for Pulmonary Extensively Drug-Resistant Tuberculosis During 2018-2019 in the Russian Federation: An Observational Cohort Study”. Monaldi Archives for Chest Disease 91, no. 1 (January 14, 2021). Accessed April 23, 2026. https://www.monaldi-archives.org/macd/article/view/1678.