Padmanabhan Arjun, Ameer K Azeez, Balan Ganesh, Neeloth Nishal
Department of Respiratory Medicine, Kerala Institute of Medical Sciences, Thiruvananthapuram, Kerala, India.
Lung India. 2022 May-Jun;39(3):301-302. doi: 10.4103/lungindia.lungindia_472_21.