Zheng, X., Zhao, W., Yan, X., Shu, T., Xiong, Q., & Chen, F. (2015). Pollution Characteristics and Health Risk Assessment of Airborne Heavy Metals Collected from Beijing Bus Stations. Int J Environ Res Public Health.

Zheng, Xiaoxia, Wenji Zhao, Xing Yan, Tongtong Shu, Qiulin Xiong, och Fantao Chen. "Pollution Characteristics and Health Risk Assessment of Airborne Heavy Metals Collected From Beijing Bus Stations." Int J Environ Res Public Health 2015.

Zheng, Xiaoxia, et al. "Pollution Characteristics and Health Risk Assessment of Airborne Heavy Metals Collected From Beijing Bus Stations." Int J Environ Res Public Health 2015.