M. Alam, M. I. Shahzad, S. Pervaiz, M. Jamil, M. W. Afzal, and A. Mushtaq, “Comparison of Induced Sputum with Bronchoalveolar Lavage Samples for Pulmonary Tuberculosis diagnosis in sputum scarce Patients”, Pak J Chest Med, vol. 26, no. 3, pp. 140–144, Sep. 2020.