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Theory and methods
The issue of confounding in epidemiological studies of ambient air pollution and pregnancy outcomes

Authors

  1. Dr M J Strickland, Rollins School of Public Health, Department of Environmental and Occupational Health, 1518 Clifton Road NE, Atlanta, GA 30322, USA; mjstric{at}sph.emory.edu
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Citation

Strickland MJ, Klein M, Darrow LA, et al
The issue of confounding in epidemiological studies of ambient air pollution and pregnancy outcomes
Journal of Epidemiology & Community Health 2009;63:500-504.

Publication history

  • Accepted January 12, 2009
  • First published February 19, 2009.
Online issue publication 
May 13, 2009

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2009 BMJ Publishing Group