Mitra Subhra, Sarma Mridul Kumar, Das Anjan Kumar
Department of Pulmonary Medicine, Calcutta National Medical College and Hospital, Kolkata, West Bengal, India.
Department of Pathology, Calcutta National Medical College and Hospital, Kolkata, West Bengal, India.
Lung India. 2018 Jan-Feb;35(1):87-89. doi: 10.4103/lungindia.lungindia_253_17.