Diagnostic Yield of AFB smear and GeneXpert on Bronchial Washings with Fiber-Optic Bronchoscope in Patients with Sputum-Negative Pulmonary Tuberculosis. Journal of Bahria University Medical and Dental College, [S. l.], v. 16, n. 02, p. 519–525, 2026. DOI: 10.51985/. Disponível em: https://jbumdc.bahria.edu.pk/index.php/jbumdc/article/view/590. Acesso em: 23 apr. 2026.