Urban city transportation mode and respiratory health effect of air pollution: a cross-sectional study among transit and non-transit workers in Nigeria

Chris E Ekpenyong; E O Ettebong; E E Akpan; T K Samson; Nyebuk E Daniel

doi:10.1136/bmjopen-2012-001253

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Urban city transportation mode and respiratory health effect of air pollution: a cross-sectional study among transit and non-transit workers in Nigeria

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Cite this article as:: Ekpenyong CE, Ettebong EO, Akpan EE, et al

Urban city transportation mode and respiratory health effect of air pollution: a cross-sectional study among transit and non-transit workers in Nigeria

BMJ Open 2012;2:e001253. doi: 10.1136/bmjopen-2012-001253

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