Ejaz, Taymmia, Mahmood Iqbal Malik, Jamal Ahmed, Rizwan Azam, Yousaf Jamal, and Sheema Saadia. “Clinico-Radiological and Bronchoscopic Predictors of Microbiological Yield in Sputum Negative Tuberculosis in Pakistan”. Monaldi Archives for Chest Disease 92, no. 3 (December 6, 2021). Accessed November 22, 2024. https://www.monaldi-archives.org/macd/article/view/1976.