. 2018 May-Jun;35(3):237–240. doi: 10.4103/lungindia.lungindia_482_17
Copyright: © 2018 Indian Chest Society
This is an open access journal, and articles are distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as appropriate credit is given and the new creations are licensed under the identical terms.