Hao, H., Chang, H. H., Holmes, H. A., Mulholland, J. A., Klein, M., Darrow, L. A., & Strickland, M. J. (2015). Air Pollution and Preterm Birth in the U.S. State of Georgia (2002–2006): Associations with Concentrations of 11 Ambient Air Pollutants Estimated by Combining Community Multiscale Air Quality Model (CMAQ) Simulations with Stationary Monitor Measurements. Environ Health Perspect.

Hao, Hua, Howard H. Chang, Heather A. Holmes, James A. Mulholland, Mitch Klein, Lyndsey A. Darrow, và Matthew J. Strickland. "Air Pollution and Preterm Birth in the U.S. State of Georgia (2002–2006): Associations With Concentrations of 11 Ambient Air Pollutants Estimated By Combining Community Multiscale Air Quality Model (CMAQ) Simulations With Stationary Monitor Measurements." Environ Health Perspect 2015.

Hao, Hua, et al. "Air Pollution and Preterm Birth in the U.S. State of Georgia (2002–2006): Associations With Concentrations of 11 Ambient Air Pollutants Estimated By Combining Community Multiscale Air Quality Model (CMAQ) Simulations With Stationary Monitor Measurements." Environ Health Perspect 2015.