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. 2015 Jun 10;5(6):e008090. doi: 10.1136/bmjopen-2015-008090

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Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions

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Organisation of Field Teams for Data Collection in the TAPHE study. ANC, antenatal care; AC, adult cohort; CO, carbon monoxide; ETS, environmental tobacco smoke; M-C, mother–child; PAHs, polycyclic aromatic hydrocarbons; PFT, pulmonary function test; PHCs, primary healthcare centres; PM_2.5, particulate matter; TAPHE, The Tamil Nadu Air Pollution and Health Effects; UHPs, urban health posts; VOCs, volatile organic compounds.