Health, wealth, and air pollution: advancing theory and methods.
Marie S O'Neill, Michael Jerrett, Ichiro Kawachi, Jonathan I Levy, Aaron J Cohen, Nelson Gouveia, Paul Wilkinson, Tony Fletcher, Luis Cifuentes, Joel Schwartz, and Workshop on Air Pollution and Socioeconomic Conditions
Environ Health Perspect. 2003 December; 111(16): 1861–1870.