Sehgal Inderpaul S, Dhooria Sahajal, Prasad Kuruswamy T, Muthu Valliappan, Aggarwal Ashutosh N, Agarwal Ritesh
Department of Pulmonary Medicine Postgraduate Institute of Medical Education and Research, Chandigarh, India.
J Bronchology Interv Pulmonol. 2021 Apr 1;28(2):e26-e28. doi: 10.1097/LBR.0000000000000714.