. 2015 Nov-Dec;32(6):584–588. doi: 10.4103/0970-2113.168131
Copyright: © Lung India
This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.
Table 1.
Demographic data and baseline characteristics
