Hitchman, S. C., Fong, G. T., Zanna, M. P., Thrasher, J. F., Chung-Hall, J., & Siahpush, M. (2014). Socioeconomic Status and Smokers’ Number of Smoking Friends: Findings from the International Tobacco Control (ITC) Four Country Survey.

Hitchman, Sara C., Geoffrey T. Fong, Mark P. Zanna, James F. Thrasher, Janet Chung-Hall, et Mohammad Siahpush. Socioeconomic Status and Smokers’ Number of Smoking Friends: Findings From the International Tobacco Control (ITC) Four Country Survey. 2014.

Hitchman, Sara C., et al. Socioeconomic Status and Smokers’ Number of Smoking Friends: Findings From the International Tobacco Control (ITC) Four Country Survey. 2014.