. 2021 Dec 28;39(1):5–11. doi: 10.4103/lungindia.lungindia_122_21
Copyright: © 2021 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.
Figure 1.
The enrollment of the study participants