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. 2017 Jan-Apr;21(1):9–17. doi: 10.4103/ijoem.IJOEM_155_16

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Copyright: © 2017 Indian Journal of Occupational and Environmental Medicine

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.

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Table 3.

Physical factors/exposure and PTB

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