Abstract
Health-threatening levels of air pollution are one of the most important problems of our century. Children are one of the easiest affected group from environmental deterioration and detrimental factors. Because they have biological and behavioral differences that the reason they are more affected on environmental factors (1).
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The references are available in PDF file.
Copyright
© 2012, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International License (CC BY 4.0) (https://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.