. 2022 Jan 6;13(1):12–16. doi: 10.4103/picr.picr_217_21
Copyright: © 2022 Perspectives in Clinical Research
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.