Mahmud, H.A. , Salekin, S. , Paul, A.K. , Das, D. , Khurshid, M.R. , Saha, A.K. , Alam, M.K. and Goni, M.O. 2021. Pleuroscopy in Undiagnosed Exudative Pleural Effusion, Early Experience in Bangladesh. Chest & Heart Journal . 44, 2 (Dec. 2021), 68–72.