Muhammad Nusrullah, Afeera Hamid, Muhammad Rashid, Hafiz Muhammad Taha Waqas, Abdul Rauf 2022. Diagnostic Yield of Fiberoptic Bronchoscopy Washings among Patients of Sputum Smear Negative Pulmonary Tuberculosis. Pakistan Journal of Medical & Health Sciences. 16, 10 (Dec. 2022), 445. DOI:https://doi.org/10.53350/pjmhs221610445.