Mirahmadizadeh, Alireza, Mehdi Sharafi, Jafar Hassanzadeh, and Mozhgan Seif. “Prevalence and Risk Factors Associated With Tuberculosis and HIV Coinfection in Iran: A Multivariate Firth Logistic Regression for Rare Events”. The Journal of Infection in Developing Countries 17, no. 12 (December 31, 2023): 1775–1781. Accessed July 22, 2024. https://jidc.org/index.php/journal/article/view/38252730.