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. 2017 Aug 18;7:8848. doi: 10.1038/s41598-017-09075-7

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© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Health risk assessment associated with heavy metals intake through industrial dust exposure. (a) Average daily intake of metal (ADI), (b) hazard quotient (HQ) of heavy metals in the exposed workers from five different leather industries (T1, T2, T3, T4 and T5) of Sialkot, Pakistan. Note: HQ for Cr(VI) was reported highest among all the heavy metals in this study, due to large values of HQs for Cr(VI), they were not included in this chart to make this figure representable.