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. 2013 Aug 22;4:104. doi: 10.3389/fphar.2013.00104

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Copyright © 2013 Calderón-Garcidueñas, Mora-Tiscareño, Franco-Lira, Cross, Engle, Aragón-Flores, Gómez-Garza, Jewells, Medina-Cortina, Solorio, Chao, Zhu, Mukherjee, Ferreira-Azevedo, Torres-Jardón and D'Angiulli.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Time series of the daily number of exceedences to the US EPA NAAQS value for the highest daily ozone 8-h average concentration and the respective daily maximum ozone 8-h average concentration in the children's residency area from May 26 to June 14, 2011. The dashed line shows the ozone 8-h NAQS value as a reference.